What was found
BATTERY PACKS POWER SUPPLIES FAILED CAPACITY TEST AT FOLLOWING LOCATIONS M1673;M1672;M1675 M1674. R AND R 'D BATTERY PACKS POWER SUPPLIES AT FOLLOWING LOCATIONS M1673;M1672;M1675; M1674 PER AMM335106
- Difficulty date
- April 22, 2021
- Submitted
- April 26, 2021
- Operation
- Air carrier
- Aircraft
- N781WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 30601
- Aircraft time
- 70,304 hours, 41,540 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.