# SDR DLM88040106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2004
- Submitted: February 17, 2004
- Operation: Air carrier
- Aircraft: [N997DL](https://openairdocs.org/aircraft/N997DL), registered now
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53364
- Aircraft time: 32,804 hours, 25,459 cycles
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Wire
- Condition: Broken
- Location: Relay
- Component: Relay
- Component part number: 92748681
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88040106

## Discrepancy

WHILE T/S FOR RT GEN INOP, APU GOT TRIPPED OFF WITH CROSS-TIE LOCKOUT, FOUND BROKEN TERMINAL ON RELAY R2-40.  TERMINAL HAD ARCED AND WORN ON A WIRE BUNDLE CAUSING DAMAGED WIRING.  ARCING WAS FOUND WHILE AC ON GROUND DURING MTC.  REPLACED RELAY AND REPAIRED DAMAGED WIRING.

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