Service difficulty report · Battery Pack · Boeing 777323ER

Difficulty date
August 5, 2019
Submitted
August 6, 2019
Operation
Air carrier
Aircraft
N727AN
Make and model
Boeing 777323ER
Aircraft serial
33541
Aircraft time
24,420 hours, 2,702 cycles
Part
Battery Pack
Condition
No Test
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 NOT GROUNDED: WHILE PERFORMING CARD 2324, FOUND EMERGENCY CEILING LIGHTS BETWEEN SEATS 17D AND 23D DID NOT REMAIN ILLUMINATED FOR THE REQUIRED 15 MINUTES. MAINTENANCE REPLACED AFT BATTERY PACK PER AMM 33-51-06.