What was found
REFERENCE AML 54897-3: DURING DAILY CHECK, FOUND L/H UPPER DECK DOOR INDICATOR LIGHT WOULD NOT ILLUMINATE DURING FUNCTIONAL CHECK. REPLACED EMERGENCY LIGHTS BATTERY PACK FOR L/H UPPER DECK DOOR PER B747 AMM 52-23-14.
- Difficulty date
- January 28, 2023
- Submitted
- February 2, 2023
- Operation
- Air carrier
- Aircraft
- N702CA
- Make and model
- Boeing 747412
- Aircraft serial
- 27217
- Aircraft time
- 85,918 hours, 13,327 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 90084
- Part serial
- 1390
- Condition
- Discharged
- 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.