What was found
EMERGENCY LIGHT AT 14DEF INOPERATIVE. TROUBLESHOOT IAW WDM 33-51-14, AND FOUND THE BATTERY PACK M1435 WEAK. REMOVED AND REPLACED THE BATTERY PACK. OPS TESTED GOOD IAW AMM 33-51-51.
- Difficulty date
- February 20, 2018
- Submitted
- February 21, 2018
- Operation
- Air carrier
- Aircraft
- N767AS
- Make and model
- Boeing 737490
- Aircraft serial
- 27081
- Aircraft time
- 76,030 hours, 44,311 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 20131A
- Part serial
- 47474
- Condition
- Weak
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.