# SDR AALA960135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N553AA](https://openairdocs.org/aircraft/N553AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 53083
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Wire
- Condition: Shorted
- Location: Lt Acm Bay
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA960135

## Discrepancy

ORD - DURING MAINTENANCE TO REPAIR AN INOPERATIVE LT AIR CYCLE MACHINE COOLING FAN PREVIOUSLY PLACARDED INOP AT DFW/24, FOUND COOLING FAN WIRE BUNDLE SHORTED AND BURNED DUE TO CHAFING AT FIRST CLAMP AND BRACKET.  REPLACED LT ACM COOLING FAN, REPLACED ELECTRICAL CONNECTOR AND REPAIRED WIRE BUNDLE BY REPLACING WIRE FROM P1-173 CONNECTOR TO FIRST SPLICE.  OPERATED LT ACM WITH NO DEFECTS FOUND.  SYSTEM GROUND CHECKED, NORMAL OPERATION.  (X)

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