Service difficulty report · Battery Pack · Boeing 757251

Difficulty date
April 26, 2016
Submitted
May 2, 2016
Operation
Air carrier
Aircraft
N543US
Make and model
Boeing 757251
Aircraft serial
26490
Aircraft time
60,201 hours, 24,597 cycles
Part
Battery Pack
Condition
Discharged
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

WHILE CONDUNTING AN OPS CHECK OF THE INTERIOR EMERGENCY LIGHTS DURING THE SERVICE CHECK, FOUND EMERGENCY LIGHTS INOPERATIVE IN MULTIPLE SECTIONS. FOUND BATTERIES DEPLETED AND UNABLE TO HOLD CHARGE AT BATTERY PACK CHARGERS M730, M732, M10568, M10699 AND M736. R & R DEFECTIVE UNITS IAW AMM 33-51. OPS CHECK GOOD.