What was found
LEFT UPPER DECK EMERGENCY EXIT POWER SUPPLY BATTERY PACK FAILED A VOLTAGE CHECK. REMOVED AND REPLACED THE BATTERY PACK AND OPS CHECKED GOOD IAW AMM 52-23-14-001 AND AMM 52-23-14-404-005.
- Difficulty date
- September 23, 2017
- Submitted
- October 3, 2017
- Operation
- Air carrier
- Aircraft
- N263SG
- Make and model
- Boeing 747481
- Aircraft serial
- 29263
- Aircraft time
- 51,058 hours, 6,219 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 900835A
- Part serial
- 105278
- Condition
- No Test
- Location
- Emegency 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.