# SDR FDEA201105251988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2011
- Submitted: June 8, 2011
- Operation: Air carrier
- Aircraft: [N992FD](https://openairdocs.org/aircraft/N992FD), registered now
- Make and model: Boeing 757232
- Aircraft serial: 22912
- Aircraft time: 74,746 hours, 36,427 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Firewall
- Part number: 6AL4V032
- Condition: Chafed
- Location: Apu Bay
- 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/FDEA201105251988

## Discrepancy

APU COMPARTMENT FWD FIRE WALL HAS CHAFING MARKS 20" FROM BOTTOM EDGE OF   COMPARTMENT.  CHAFE MARK FOUND TO .004" DEEP, DETERMINED TO BE OUT OF LIMITS IAW SRM 53-80-01 FIG 101 DETAIL IX PG 109. REPAIRED DAMAGE IAW SRM 53-80-08, FIG 201, SHEET 1, PG 201, STA 1885, LBL-14".  MAJOR REPAIR.

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