What was found
DURING AN EMERGENCY LIGHTS TEST, FOUND THE R4 DOOR EXIT SIGN INOPERATIVE. REPLACED THE BATTERY PACKS M33408 & M3309. PERFORMED AN EMERGENCY LIGHT TEST, TESTED GOOD IAW AMM 33-51- 06-960-802, & AMM 33-51-00-710-801, REV 82
- Difficulty date
- May 30, 2018
- Submitted
- June 5, 2018
- Operation
- Air carrier
- Aircraft
- N796UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26931
- Aircraft time
- 89,216 hours, 11,918 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- ADD71701100
- Condition
- Discharged
- 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.