What was found
B777-33-3-7019 DOOR 3 LH EMER POWER SUPPLY (M33400) TEST FAIL DURING TEST, REF NRC 9130195 DOOR 3 LH EMER PWR SUPPLY (M33400) BATTERY PACK REPLACED AND TESTED NORMAL PER AMM 33-51-06
- Difficulty date
- March 6, 2020
- Submitted
- March 7, 2020
- Operation
- Air carrier
- Aircraft
- N774UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26936
- Aircraft time
- 94,564 hours, 17,277 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- M33400
- Condition
- Failed
- Location
- Cabin
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.