SDR CALA2022081702110

Service difficulty report · Battery · Boeing 777222

Difficulty date: August 16, 2022
Submitted: August 17, 2022
Operation: Air carrier
Aircraft: N210UA
Make and model: Boeing 777222
Aircraft serial: 30216
Aircraft time: 73,905 hours, 15,641 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: ADD71701100
Condition: Low
Location: R4 Door
Stage of operation: IN
How discovered: O
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND CABIN OVERDOOR R4 EMERGENCY LIGHT POWER SUPPLY LOW BATTERY (M33408) - ORIGINATED BY EMP V905400 ON HAECO NR 9491797, SPEC NO.B777-33-3-7021. PERFORMED BY EMP V905400, IDT BY TA317 V905467, REPLACED CABIN O VERDOOR R4 EMERGENCY LIGHT POWER SUPPLY BATTERY, AND PERFORMED T HE INSTALLATION TEST, THE RESULT FOUND NORMAL, REF AMM 33-51-06- 960-802 REV 95.