Service difficulty report · Power Supply · Boeing 737990

Difficulty date
July 26, 2016
Submitted
July 29, 2016
Operation
Air carrier
Aircraft
N307AS
Make and model
Boeing 737990
Aircraft serial
30015
Aircraft time
54,458 hours, 21,222 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Cabin
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 T/C 78233008 FOUND LT AND RT OVERWING EMERGENCY EXIT SIGN LIGHT OUT. ACFT GROUNDED. R & R EMERGENCY LIGHT POWER SUPPLY, M1695. OPS CHECK GOOD, REF WDM 33-51-13 AND AMM 33-51-06.