# SDR TWAA9751005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N9401W
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53137
- Engine: Pwa JT8D217C
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Chip Detector
- Part number: B7670
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9751005

## Discrepancy

CMH - FLT 139 - DURING CRUISE, NR 1 ENGINE LOST OIL QUANTITY AND WAS SHUT DOWN IN FLIGHT.  CHIP DETECTOR RETAINING PINS FAILED AND SPRING VALVE FAILED TO CLOSE.  REMOVED AND REPLACED CHIP DETECTOR PLUG AND HOUSING, MFG P/N B7670, MANUFACTURED BY VICKERS, INC.  OPS CHECK NORMAL.  (M)

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