# SDR AALA20150724011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2015
- Submitted: July 24, 2015
- Operation: Air carrier
- Aircraft: N971TW
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53621
- Aircraft time: 43,790 hours, 21,391 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Condition: Defective
- Location: Zone 100
- 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/AALA20150724011

## Discrepancy

AIR INTERRUPT, RETURNED, EMER DECLARED, LANDING UNEVENTFUL & ACFT WAS OVERWEIGHT.  DURING CLIMB OUT THEY EXPERIENCED A DC CROSSTIE LOCKOUT & BOTH LOAD METERS INDICATED ZERO.  REPLACED LT GEN CONTROL UNIT IAW 24-20-07.  PLEASE SEE AALA20150722008 & AALA20150724012 FOR ADDITIONAL PART INFORMATION.

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