# SDR WRLA96055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N273WA](https://openairdocs.org/aircraft/N273WA), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48519
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Connector
- Condition: Loose
- Location: Nr 3 Engine Tr
- Stage of operation: TO
- Nature of condition: N
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WRLA96055

## Discrepancy

UPON POWER FOR T/O, NR 3 ENG REVERSER UNLOCK LIGHT ILLUMINATED.  ABORTED T/O AND RETURNED TO GATE FOR MX.  THRUST REVERSER WAS DEFERRED PER MEL PROCEDURES.  DEFERRAL WAS CLEARED ON 1/2/97.  REMOVED AND CLEANED NR 3 ENG'S THRUST REVERSER STOW/DEPLOY SWITCHES.  REINSTALL CANNON PLUGS, GROUND TEST THRUST REVERSER (NO FAULTS NOTED).  A/C RETURNED TO SERV.  A/C EXPERIENCED AN ADDITIONAL FAULT (UNLOCK LIGHT ILLUMINATED DURING T/O ROLL) ON 2/16/97.  MALFUNCTION IDENTIFIED AS 'BLACK SHELL' TO CANNON PLUG ON LWR, RT LOCK ACT STOW SWITCH WAS LOOSE.  SHIELD WAS CONTACTING ACT BODY.  CANNON PLUG WAS CORRECTED, GROUND TESTS WERE PERFORMED.  A/C WAS RETURNED TO SERV.  (M)

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