# SDR 96ZZZM242

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N956U
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49701
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Switch
- Part number: 4TL623
- Condition: Failed
- Location: Ctr Fuel Tank
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZM242

## Discrepancy

MCI - DURING CRUISE, CREW WAS UNABLE TO TRANSFER FUEL OUT OF THE CENTER TANK.  REMOVED AND REPLACED WORN CENTER BOOST PUMP ON-OFF SWITCH, MFG P/N 4TL62-3.  OPERATIONAL CHECK NORMAL.

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