# SDR DALA1239749253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2012
- Submitted: July 2, 2012
- Operation: Air carrier
- Aircraft: N953DN
- 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: 53523
- Aircraft time: 39,396 hours, 22,231 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Tee Fitting
- Part number: 9912246115
- Condition: Corroded
- Location: Bs 1437
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1239749253

## Discrepancy

FOUND BS 1437 TEE FITTING RT SIDE OF APU DUCT IS CORRODED. REMOVED AND REPLACED TEE FITTING FRAME IAW SRM 51-30-02 AND 51-30-05 VOL II.

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