What was found
APU BAY RT SIDE FIREWALL HAS A GOUGE. ON EVALUATION FOUND THE APU FIREWALL TO BE 100% MATERIAL LOSS IAW IAW SRM 53-80-08-1A. REPAIRED THE FIREWALL IAW SRM 53-80-08-2R REPAIR 2.
- Difficulty date
- September 20, 2017
- Submitted
- September 26, 2017
- Operation
- Air carrier
- Aircraft
- N936FD
- Make and model
- Boeing 7572T7
- Aircraft serial
- 23293
- Aircraft time
- 89,854 hours, 33,058 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Firewall
- Part number
- 148N84021
- Condition
- Gouged
- Location
- Apu Bay
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.