Service difficulty report · Power Supply · Aerosp ATR72

Difficulty date
April 26, 2012
Submitted
April 27, 2012
Operation
Air carrier
Aircraft
N425MJ
Make and model
Aerosp ATR72
Aircraft serial
425
Aircraft time
30,431 hours, 33,827 cycles
Part
Power Supply
Part number
301200
Part serial
432
Condition
Failed
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

AFTER NR 2 ENGINE START WITH EMERGENCY EXIT LIGHT SWITCH IN ARM, EMERGENCY LIGHTS IN CABIN ILLUMINATED. ACFT REMOVED FROM SERVICE. R & R EMERGENCY LIGHT POWER SUPPLY 62WL AND EMERGENCY LIGHT BATTERY PACKS 62WL, 43WL, 73WL AND 61WL IAW JIC 33-51-21-RAI 10000 AND JIC 33-51-21-RAI-10010 AND FOUND SYS WORKING OK . ACFT RETURNED TO SERVICE.