What was found
RIGHT ISLE ROW 9, 10, AND 20, EMRGENCY LIGHTS INOPERATIVE. TROUBLESHOT THE EMERGENCY LIGHTS, AND FOUND M33098 BATTERY PACK DEFECTIVE. REPLACED THE BATTERY PACK IAW AMM 33-51-00. OPS CHECKED GOOD.
- Difficulty date
- September 22, 2017
- Submitted
- September 23, 2017
- Operation
- Air carrier
- Aircraft
- N791UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26933
- Aircraft time
- 86,480 hours, 11,862 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Defective
- 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.