What was found
CRACKED FITTING, RT APU NR 4 DOOR LOCK FITTING, BS 2742. REMOVED THE DAMAGED FITTING IAW SRM 51-40-02-0G-0, REV 105, & INSTALLED A NEW FITTING IAW SRM 51-40-02-0G, REV 106, AND DWG 65B02771, SHT 13, REV B.
- Difficulty date
- February 8, 2026
- Submitted
- March 2, 2026
- Operation
- Air carrier
- Aircraft
- N581UP
- Make and model
- Boeing 7474R7F
- Aircraft serial
- 25866
- Aircraft time
- 131,446 hours, 22,124 cycles
- System (JASC)
- 5247 · Auxiliary Power Unit (APU) Doors
- Part
- Fitting
- Part number
- 69B009431
- Condition
- Cracked
- Location
- Zone 800
- 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.