# SDR AALA20120924002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2012
- Submitted: September 24, 2012
- Operation: Air carrier
- Aircraft: [N635AA](https://openairdocs.org/aircraft/N635AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 24593
- Aircraft time: 68,387 hours, 24,543 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Firewall
- Condition: Damaged
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20120924002

## Discrepancy

IMPACT DAMAGE FOUND ON THE FORWARD AUXILIARY POWER UNIT FIRE WALL.  REMOVED DAMAGE AND INSTALLED DOUBLER PER SRM 53-80-08-2R.

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