# SDR WTAA980005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N402UE
- Make and model: Bag JETSTM3101
- Aircraft serial: 734
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: Bulb
- Part number: 2621337040
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WTAA980005

## Discrepancy

SFO - SMOKE REPORTED IN COCKPIT DURING CRUISE.  CREW DECLARED EMERGENCY AIRCRAFT RETURNED TO STATION.  MAINTENANCE FOUND AUXILIARY HEAT BACKLIGHTING INOPERATIVE AT FIRST OFFICERS SKIRT PANEL.  DEFERRED BACKLIGHTING PER MEL 33-1.  AIRCRAFT RETURNED TO SERVICE.  MAINTENANCE SUBSEQUENTLY CLEARED DEFERRAL BY RELAMPING AUXILIARY HEAT BACKLIGHTING.  OPERATIONAL CHECK SATISFACTORY.  (M)

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