What was found
EMERGENCY EXIT LIGHTS/SIGNS AT 3L/4L DOORS FAIL DURING LIGHTS TEST REPLACED BATTERY PACKS AT 3L/4L DOORS PER B777 AMM 33-51 ALL LIGHTS NOW CK GOOD
- Difficulty date
- June 5, 2020
- Submitted
- June 8, 2020
- Operation
- Air carrier
- Aircraft
- N863DA
- Make and model
- Boeing 777232
- Aircraft serial
- 29735
- Aircraft time
- 86,473 hours, 10,229 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- No Test
- Location
- Emergency Lights
- 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.