# SDR DALA1033869207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2010
- Submitted: November 29, 2010
- Operation: Air carrier
- Aircraft: N907DA
- 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: 53387
- Aircraft time: 41,862 hours, 22,311 cycles
- Engine: Iae V2528D5
- Engine time: 37,816 hours, 20,245 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Duct
- Condition: Delaminated
- Location: Thrust Reverser
- Stage of operation: CL
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1033869207

## Discrepancy

RT ENGINE FIRE DET FAULT ON CLIMBOUT.  RETURNED TO DEPARTURE, OVERWEIGHT LANDING. LOWER T/R C DUCT WAS FOUND DELAMINATED AND COMING APART IN THE COLD STREAM AREA.  7TH STAGE BLEED VALVE SOLENOID WAS REPLACED.  LOWER COWL/ T/R ASSY WAS ALSO REPLACED.

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