What was found
AIRCRAFT IN BASE VISIT: MAINTENANCE REPORTS INSTALLING NEW EEL BATTERY PACK, OPS CHECK WAS GOOD. 5 HOURS LATER SHOWED FAULT LIGHT, TESTED BAD. REPLACED WITH NEW BATTERY PACK. 12 HOURS RECHECK WAS GOOD.
- Difficulty date
- May 18, 2019
- Submitted
- May 21, 2019
- Operation
- Air carrier
- Aircraft
- N929NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33322
- Aircraft time
- 19,205 hours, 7,880 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 312BS1011
- Condition
- Faulty
- Location
- Cabin
- 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.