# SDR FDEA200906031905

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2009
- Submitted: June 8, 2009
- Operation: Air carrier
- Aircraft: N905FD
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27145
- Aircraft time: 50,767 hours, 20,774 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Angle
- Part number: 148N31521
- Condition: Corroded
- Location: Bs 1787-1825
- 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/FDEA200906031905

## Discrepancy

APU INTAKE LOWER NUTPLATE STRIP CORRODED INSIDE.  REMOVED CORROSION ON APU INTAKE DOOR CUTOUT, LOWER NUTPLATE STRIP; BLENDED AREA 100 PERCENT MATERIAL LOSS AND OUT OF LIMITS PER SRM 53-80-05, FIG 101, DETAIL 5.  FABRICATED SUPPORT ANGLE, LOCATED AND DRILLED PER SRM 51-40-05 AND 51-40-08.  TREATED AND PRIMED PER SRM 51-20-01.  INSTALLED NUTPLATE STRIP AND SUPPORT ANGLE PER SRM 51-40-02 AND 51-40-01.  THIS REPAIR IS CLASSIFIED AS A CAT 'A" MAJOR REPAIR.

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