What was found
R4 EMERGENCY LIGHT BATTERY PACK M33409 IS INOP BATTERY PACK M33409 REPLACED ON AERSALE N/R 20026, OPS CHECK GOOD
- Difficulty date
- March 10, 2021
- Submitted
- March 10, 2021
- Operation
- Air carrier
- Aircraft
- N76021
- Make and model
- Boeing 777224
- Aircraft serial
- 39776
- Aircraft time
- 49,099 hours, 4,485 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.