Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
July 16, 2020
Submitted
July 20, 2020
Operation
Air carrier
Aircraft
N786AN
Make and model
Boeing 777223
Aircraft serial
30250
Aircraft time
80,178 hours, 9,788 cycles
Part
Battery Pack
Part number
D71701100
Part serial
159049
Condition
Inoperative
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.

What was found

AIRCRAFT WAS GROUNDED (SHORT TERM STORAGE): R4 DOOR EMERGENCY LIGHT BATTERY PACK (M33408) INOPERATIVE. REPLACED BATTERY PACK PER AMM 33-51-06-960-802. OPERATIONAL TEST GOOD PER AMM 33-51-06-710-002.