# SDR DALA2016072605610

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2016
- Submitted: July 27, 2016
- Operation: Air carrier
- Aircraft: N921DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53583
- Aircraft time: 43,323 hours, 29,253 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Skin
- Condition: Cracked
- Location: Apu Inlet Door
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016072605610

## Discrepancy

APU INLET DOOR SKIN IS CRACKED AT DOOR HINGE.  INSTALLED REPAIR DOUBLER IAW SRM 52-00-01, 51-30-02 AND DWG 5916333.

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