# SDR DLM88030829

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2003
- Submitted: October 6, 2003
- Operation: Air carrier
- Aircraft: N910DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49541
- Aircraft time: 43,936 hours, 36,587 cycles
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Stud
- Condition: Loose
- Location: Epc
- Stage of operation: CL
- How discovered: O
- Nature of condition: H
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88030829

## Discrepancy

ON CLIMBOUT LOST LT DC AND AC BUSSES WITH APU POWERING BUSS.  APU VOLTS/FREQS GOOD.  MULTIPAL C/B POPPED LT AC BUS BREAKER LT TR1 AND TR2 EMER AC BUS FEED - F25 F16.  LOST FMS MPC DFGC LDC BUS MSG ILLUMINATED.  REPLACED LT APU CONTROL RELAY AND GCU.

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