# SDR 96FDEA00791

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N257FE](https://openairdocs.org/aircraft/N257FE), registered now
- Make and model: Boeing 727233
- Aircraft serial: 20939
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Tr Switch
- Part number: B277806401
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96FDEA00791

## Discrepancy

AFTER T/O, ENG NR 1 REVERSER OPERATING LIGHT CAME ON NR 1 ENGINE, SHUTDOWN AS PER PROCEDURE.  A/C RELEASED FOR SERV PER MEL 78-2A.  CHECKED WIRING HARNESS AT SWITCH FOR CONDITION, FOUND GOOD.  CHECKED SW ADJ, WITHIN LIMITS.  DURING T/S HAD NR 1 T/R OPS LIGHT GLOW DIM FOR SEVERAL SECONDS AND EXTINGUISH, WHILE NOTHING AROUND SW WAS TOUCHED.  SUSPECT EITHER INTERNAL FAILURE OF SW (P/N B27-78-064-01) OR LIGHT SOCKET (10-61803-78).  REPLACED NR 1 T/R SW, OPS CHECK GOOD.

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