# SDR DLM88050078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2005
- Submitted: February 7, 2005
- Operation: Air carrier
- Aircraft: N980DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53267
- Aircraft time: 37,828 hours, 29,154 cycles
- Engine: Pwa JT8D219
- Engine time: 40,283 hours, 32,001 cycles
- System (JASC): [8000 · Engine Starting System](https://openairdocs.org/jasc/8000)
- Part: B-Nut
- Part number: 809101012
- Condition: Cracked
- Location: Nr 2 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88050078

## Discrepancy

RT START VALVE WOULD NOT OPEN.  REPLACED START DUCT AND SECURED LOOSE B-NUT.

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