# SDR AALA20011851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2001
- Submitted: January 31, 2002
- Operation: Air carrier
- Aircraft: N70072
- Make and model: Airbus A300 B4-605R
- Registry model: [Airbus A300 B4-605R](https://openairdocs.org/model/airbus-industrie-a300-b4-605r) (OpenAirDocs)
- Aircraft serial: 515
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Ground Wire
- Condition: Broken
- Location: Electrical Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20011851

## Discrepancy

FLT 93 - APU FAULTED IN FLIGHT AND WOULD NOT RESTART.  NO FAULTS WERE FOUND ON THE ECB.  REPLACED THE ECB AS PRECAUTIONARY.  PROBLEM FOUND TO BE A BROKEN GROUND WIRE TO THE STANDBY GENERATOR CONTROL VALVE.  WIRE WAS REPAIRED AND STANDBY GENERATOR TEST WAS PERFORMED.  OPERATIONAL CHECK WAS GOOD AND AIRCRAFT APU WAS RETURNED TO SERVICE.  (M)

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