# SDR DL75K060178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2006
- Submitted: April 11, 2006
- Operation: Air carrier
- Aircraft: [N694DA](https://openairdocs.org/aircraft/N694DA), registered now
- Make and model: Boeing 757232
- Aircraft serial: 29726
- Aircraft time: 25,174 hours, 10,722 cycles
- Engine: Pwa PW2037
- Engine time: 51,281 hours, 24,083 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Relay
- Condition: Malfunctioned
- Location: Lt Fuel Boost
- Stage of operation: CL
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL75K060178

## Discrepancy

ON LIFTOFF LOST 1 PHASE L AC BUSS, RETURN TO LAX.  INSPECTED TB5003 AND TB5012 CHECKED OK.  FOUND C/B C313 ON P31 POPPED FOR L BUSS SECT 1, REPLACED C/B RAN BOTH ENGS C/B C313, OPS CHECKED NORMAL.  CHECKED OUT WIRES FROM C313 TO TB 5003 AND TB5012 FOR CORRECT PLACE CHECKED NORMAL PER EO 6-85121-3.  REMOVED AND REPLACED LT FUEL OVRD BOOST PUMP CONTROL RELAY K10011, OPS CKS NORMAL.

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