# SDR DLM88970479

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N921DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49645
- Engine: Pwa JT8D219
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Duct
- Condition: Blown
- Location: Nr 2 Engine
- Part time: 16,011 hours
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88970479

## Discrepancy

SHORTLY AFTER TAKEOFF AT 4,000 FEET, GOT A- LOOP ON RT ENGINE. INDICATED NORMAL.  TWENTY SECONDS LATER, B-LOOP ILLUMINATED WITH BELL.  EGT WAS 50 DEGREES HIGHER.  PULLED THROTTLES BACK AND ALL LIGHTS AND BELL EXTINGUISHED.  FOUND COWL A/I DUCT BLOWN ON TOP OF ENGINE AT COWL VALVE.  REPLACED COWL VALVE AND DUCT ASSY.  LEAK CKS GOOD.  ENGINE TOTAL CYCLES 12,907.

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