Service difficulty report · Power Supply · Boeing 737890

Difficulty date
May 29, 2015
Submitted
June 2, 2015
Operation
Air carrier
Aircraft
N532AS
Make and model
Boeing 737890
Aircraft serial
36346
Aircraft time
19,474 hours, 5,862 cycles
Engine
Cfmint CFM567B27
Part
Power Supply
Part number
D71702001
Condition
Failed
Location
Emergency Light
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

WHILE ACCOMPLISHING T/C 78233001, EMERGENCY LIGHTING SWITCH. OPS CHECK AND BATTERY PACKS- FUNCTIONAL CK, FOUND BATTERY PACKS THAT DO NOT OPERATE CORRECTLY DURING CAPACITY CHECK. AFT MIDDLE SIGN AND L2. FWD MIDDLE SIGN AND L1. AFT WING LT. 25-31 LT. 17-24 RT. 6, 18-23 LT. ACFT GROUNDED. REPLACED EMERGENCY BATTERY PACKS AT L1 DOOR, L2 DOOR, ROW 20 & ROW 23 REF WDM 33-51-14. OPS CK GOOD.