SDR IPXA2026032854460

Service difficulty report · Skin · Boeing 75724APF

Difficulty date: February 28, 2026
Submitted: March 30, 2026
Operation: Air carrier
Aircraft: N451UP
Make and model: Boeing 75724APF
Aircraft serial: 27739
Aircraft time: 41,230 hours, 23,656 cycles
System (JASC): 5247 · Auxiliary Power Unit (APU) Doors
Part: Skin
Part number: 148N666022
Condition: Corroded
Location: Apu Door
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

APU, RIGHT DOOR 316 EXTERNAL SKIN EDGE HAS EVIDENCE OF CORROSION AT APPROX BS 1963.8, VERIFIED EO NO DEFERRALS REQUIRED EA 757-5240-01-B0698, REV P1, STEP 16. ACCOMPLISHED REPAIR PER EO-96910-REQ1 AND VT-SAA EA 757-5240-01-B0698, REV IR

More about the Boeing 757-24APF