SDR DALA2014090504918

Service difficulty report · Power Supply · Boeing 757251

Difficulty date: September 3, 2014
Submitted: September 5, 2014
Operation: Air carrier
Aircraft: N540US
Make and model: Boeing 757251
Aircraft serial: 26487
Aircraft time: 52,124 hours, 21,028 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Inoperative
Location: Emergency Lights
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING SERVICE, FOUND ROW 29, ABC-33, EMERGENCY LIGHTS WOULD COME ON FOR 10-15 SEC THEN TURN OFF. SWAPPED BATTERY FOR NEW, NO HELP, SWAPPED CHARGER, NO HELP. REPLACED BATTERY PACK ON EMERGENCY LIGHTS POWER SUPPLY M10699, SYS CHECKED GOOD.