What was found
L1 EMERGENCY EXIT LIGHT FAILS TO TEST DURING PRE-FLT. REMOVED AND REPLACED THE BATTERY PACK FOR THE L 1 DOOR EMERGENCY EXIT LIGHT IAW AMM 33-51-07-2 EMERGENCY EXIT LIGHT TEST NORMAL. BATTERY PACK RADIANT POWER CORP.
- Difficulty date
- December 16, 2025
- Submitted
- December 16, 2025
- Operation
- Air carrier
- Aircraft
- N903FD
- Make and model
- Boeing 7572B7
- Aircraft serial
- 27124
- Aircraft time
- 60,172 hours, 28,661 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 20131
- Part serial
- 62303
- Condition
- No Test
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.