What was found
APU DOOR SURROUND PN 148N3152-2 BETWEEN FS 1790 - 1810 STR 3R ANGLE HAS INTERGRANULAR CORROSION. INSTALLED ANGLE UPPER STR 3 RH SIDE PER B757 SRM 51-40-02. AUDIT COMPLETE.
- Difficulty date
- January 24, 2025
- Submitted
- February 4, 2025
- Operation
- Air carrier
- Aircraft
- N401UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 23723
- Aircraft time
- 39,628 hours, 26,940 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Angle
- Part number
- 148N31522
- Condition
- Corroded
- Location
- Zone 100
- 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.