What was found
AIRCRAFT IN BASE MAINTENANCE: EPL LIGHTS IN MULTIPLE LOCATIONS WERE INOPERABLE. MAINTENANCE FOUND BAD BATTERY PACK M1695 AND REPLACED BATTERY PACK AND PERFORMED SATISFACTORY OPERATIONAL CHECK PER WORK CARD 2311.
- Difficulty date
- October 22, 2019
- Submitted
- October 24, 2019
- Operation
- Air carrier
- Aircraft
- N879NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31133
- Aircraft time
- 21,460 hours, 8,720 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71702001
- Part serial
- 166143
- 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.