Service difficulty report · Battery Pack · Boeing 747446

Difficulty date
November 25, 2017
Submitted
November 29, 2017
Operation
Air carrier
Aircraft
N465MC
Make and model
Boeing 747446
Aircraft serial
24784
Aircraft time
95,330 hours, 18,359 cycles
Part
Battery Pack
Part number
900835A
Part serial
77597
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

FOUND MANY MAIN DECK AND UPPER DECK EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY BATTERIES IAW AMM 33-51-06-000-801 AND 33-51-06-400-801, REV 91. REPLACED SLIDE LIGHT BATTERIES IAW AMM 33-51-06-400-801, REV 91. PERFORMED EMERGENCY LIGHT OPS TEST AND THE RESULT WAS SATISFACTORY.