What was found
EMERGENCY LIGHTS OPS TEST WITH THE TEST SWITCHES PROCEDURE, POWER SUPPLY BATTERY PACK POS M33409 INOP. BATTERY PACK REPLACED IAW AMM 35-51-06-960-802.
- Difficulty date
- April 1, 2026
- Submitted
- April 2, 2026
- Operation
- Air carrier
- Aircraft
- N782UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26948
- Aircraft time
- 117,071 hours, 15,324 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- No Test
- Location
- Zone 200
- 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.