# SDR IPXA1567955

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2011
- Submitted: July 20, 2011
- Operation: Air carrier
- Aircraft: [N401UP](https://openairdocs.org/aircraft/N401UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23723
- Aircraft time: 28,242 hours, 19,490 cycles
- System (JASC): [5247 · Auxiliary Power Unit (APU) Doors](https://openairdocs.org/jasc/5247)
- Part: Gusset
- Condition: Chafed
- Location: Bs 1963.75
- 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/IPXA1567955

## Discrepancy

INSPECTION TYPE:C3, LT APU DOOR INBD AFT FRAME SUPPORT IS CHAFED AT BS 1963.75.     REMOVED, FABRICATED & REPLACED IAW SRM 51-10-02-0G, 52-40-02, 51-40-05-0G, 51-21-10-7 DWG 148N6678.

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