Service difficulty report · Power Supply · Boeing 757236

Difficulty date
November 24, 2024
Submitted
November 26, 2024
Operation
Air carrier
Aircraft
N979FD
Make and model
Boeing 757236
Aircraft serial
25592
Aircraft time
66,684 hours, 25,926 cycles
Part
Power Supply
Part number
20131A
Part serial
56532
Condition
Failed
Location
Zone 200
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

WHILE PERFORMING SERVICE CHECK INSPECTION FOUND RH EMERGENCY LIGHTS WILL NOT ILLUMINATE. AMM: 33-51-07-2 USED TABLE TO CALCULATE THE TIME NECESSARY TO CHARGE THE BATTERY PER AMM WITH NO HELP. R&R RH EMERGENCY BATTERY PACK SUPPLY PER B757 AMM 33-51-07-2. OPS CHECK GOOD.