What was found
ROW 27ABC EMERGENCY LIGHT ON FOR HALF THE FLIGHT. GROUNDED - YES. CYCLING P5: PILOT EMERGENCY LIGHT SWITCH, PERFORMED GOOD OPERATIONAL TEST OF EMERGENCY LIGHT. 27ABC EMERGENCY LIGHT IS NORMAL. REF AMM 33-51-00/501.
- Difficulty date
- October 25, 2025
- Submitted
- October 28, 2025
- Operation
- Air carrier
- Aircraft
- N278AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44113
- Aircraft time
- 28,638 hours, 9,129 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Light Sys
- Condition
- Malfunctioned
- Location
- Zone 200
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.