What was found
CORROSION ON LOWER HORIZONTAL STIFFENER ON THE LT APU BAY WEB BETWEEN BS 1090 AND 1098. REMOVED AND REPLACED THE STIFFENER IAW SRM 51-10-02-0G, PARAGRAPH 9, DRAWINGS 148A1684 AND 148A8600.
- Difficulty date
- October 23, 2017
- Submitted
- October 23, 2017
- Operation
- Air carrier
- Aircraft
- N931AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30079
- Aircraft time
- 53,090 hours, 21,432 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Stiffener
- Part number
- 148A862024
- Condition
- Corroded
- Location
- Apu Bay
- 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.