N6521W — Aircraft Status Dashboard

Aircraft 2 ADs due within 100 hrs

Registration

N6521W

Make / Model / Year

Piper PA-28-140 Cherokee, 1965

Serial Number

28-20600

Total Time (Tach)

5,164.6 hours — as of last recorded entry, 8/1/2025 (CE Aerostructures, ALDoc-1/2)

Last Annual Inspection

8/1/2025 @ 5,164.6 hrs — John M. Hershey, A&P/IA 3476574 (CE Aerostructures LLC). Major annual: both wings and both main landing gear assemblies replaced with serviceable units due to corrosion, plus a fuselage frame assembly and fuel tank reskinning — see Airframe Log ALDoc-1/2 for full detail.

Last 100-Hour Inspection

5/23/2022 @ 5,059.3 hrs — see 100-Hour Inspections tab (no newer 100-hr inspection found; confirm whether still applicable to current use)

Airworthiness Directives

82 AD line items tracked (71 from the official 8/1/2025 AD Compliance Record covering airframe, engine, and propeller, plus 11 historical-only entries not in that record but with real logbook compliance evidence) — see ADs tab; 5 recurring ADs currently have a real upcoming due date, highlighted at the top of that tab.

Supplemental Type Certs

3 STCs on file: SA8026C (autogas fuel system, 1985); SA693CE (Brackett induction air filter, 1978); SA1216GL (Knots 2U wing root fairings, installed 8/1/2025)

Engine Muffler AD due ~50 hrs out

Model

Lycoming O-320-E2A

Serial Number

L15642-27A

Time Since Overhaul

1,235.6 hours — as of last recorded entry, 8/1/2025

Major Overhaul Date

Overhauled 2/16/1999 by G&N Aircraft, Inc.; reinstalled 2/2/1999 @ TSMOH 0 (tach 3,929.0 at that time)

Last Documented Oil Change

4/17/2023 @ TSMOH 1,218.0 hrs — 7 qts Phillips XC 20W-50 + Camguard, no leaks noted (no specific oil-change line item found in the 8/1/2025 annual)

Recent Major Work

Cylinders #2 and #3 replaced with new Superior cylinders (P/N SL3200W-A21P), 6/14/2022 @ TSMOH 1,149.1 hrs. 8/1/2025 @ TSMOH 1,235.6 hrs: new ignition harnesses, LH magneto repaired (drive gear/points/condenser), oil cooler replaced, new starter (Sky-Tec 122NL), all SCAT hoses replaced, starter ring gear & support replaced, compressions 76-78/80 across all 4 cylinders.

Propeller

Model

Sensenich M74DM (current prop; the original 1965-67 prop, S/N K6722, was M74DM0-58)

Serial Number

385258 (Hub S/N) — corrected from an earlier low-confidence transcription; see Transcription Notes tab

Last Documented Service

8/1/2025 @ TTSN 5,164.6 hrs — R&R cracked spinner plate assembly, annual inspection (CE Aerostructures LLC)

Avionics & Equipment

Transponder

Narco AT150, S/N 32848 — last tested 5/20/2025 (D&J Aviation, ALDoc-3)

Pitot-Static System

Tested 5/20/2025 — leaks found and repaired (loose fittings, split lines); retested within tolerance

ADS-B Out

uAvionix tail-mounted unit installed 8/6/2020

Comm Radio

Garmin GTR 225 installed 7/16/2021

Attitude Indicator

uAvionix AV-30, P/N B4515210406, S/N 71732B — recalibrated 5/20/2025

Standby Altimeter

United Instrument, P/N 5934P-1, S/N L1108 — installed 5/20/2025 (replaced a failed unit beyond economical repair)

Intercom

PS Engineering PM1000II installed 10/26/2021

ELT

Battery replaced 8/1/2025 — next due August 2027

Items to Verify / Needs Attention

AD 70-16-05 — due soon

Engine exhaust muffler recurring inspection due at tach 5,214.6 — only ~50 hours away as of the last recorded tach (5,164.6).

AD 69-22-02 — due soon

Flight control wheel recurring inspection due at tach 5,264.6 — about 100 hours away.

AD 72-08-06 — upcoming

Main landing gear torque links recurring inspection due at tach 5,664.6 — about 500 hours away.

100-hr inspection currency

Last documented 100-hr inspection is 5/23/2022. If the aircraft is used in a way that requires 100-hr inspections, confirm current compliance status.

Propeller identity discrepancy

Flagged during transcription; see Transcription Notes tab in the spreadsheet for detail on the hub serial number correction.

Logbook coverage

Transcription currently extends through 8/1/2025 (Airframe/Engine/Propeller annual) and 5/20/2025 (avionics). If the physical logbooks or shop files contain anything newer, this dashboard will not reflect it until transcribed.