What was found
EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCH PROCEDURE, L637 EXTERIOR LIGHT AT R4 DOOR FAILED TO ILLUMINATE DURING EMERGENCY LIGHT TEST IAW AMM 33-51-06, REPLACED EXTERIOR 4R LIGHT. OPS NORMAL AT THIS TIME.
- Difficulty date
- January 30, 2026
- Submitted
- February 2, 2026
- Operation
- Air carrier
- Aircraft
- N74856
- Make and model
- Boeing 757324
- Aircraft serial
- 32815
- Aircraft time
- 63,535 hours, 20,546 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Bulb
- Part number
- 767
- Condition
- Burned Out
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.