What was found
CORROSION ON APU INLET LOWER HORIZONITAL STIFFENER. REPLACED THE STIFFENER IAW 51-00-05-R1, AND DRAWING 148A8650.
- Difficulty date
- March 21, 2018
- Submitted
- March 22, 2018
- Operation
- Air carrier
- Aircraft
- N937AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30082
- Aircraft time
- 53,562 hours, 21,956 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Stiffener
- Part number
- 148A8640Y14
- Condition
- Corroded
- Location
- Apu Inlet
- 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.