Service difficulty report · Power Supply · Boeing 737990

Difficulty date
September 15, 2024
Submitted
September 18, 2024
Operation
Air carrier
Aircraft
N309AS
Make and model
Boeing 737990
Aircraft serial
30857
Aircraft time
76,257 hours, 31,136 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Cabin
Stage of operation
IN
How discovered
V
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

AFT OVERWING EXTERIOR EMERGENCY EXIT LIGHTS ON L/H + R/H SIDE INOP. GROUNDED - YES. (RESOLVED ON W/O: 2018478 TASKCARD: N/R-00001 ) REMOVED AND RELAMPED INOP OVERWING EXTERIOR LIGHTS REF AMM 33-51-04. L/H EMERGENCY LIGHTS NOW OPERABLE, R/H AFT OVERWING LIGHT AND LOWER EMERGENCY LIGHTS STILL INOP SEAMC TOD NOTIFIED. MICHAEL BUCHANAN 67948, 09/16/2024REMOVED AND REPLACED POWER SUPPLY M1695 REF AMM 33-51-06-960-806. R/H AFT OVERWING LIGHT AND LOWER R/H SLIDE LIGHT INOP. HPD 53557 09/16/2024. REPLACED NEW M1671 POWER SUPPLY & NEW BATTERY. PERFORMED INSTALLATION TEST NORMAL WDM 33-51-13-3-3. AMM 33-51-06. AMM 33-51-00. MSUN 20477 09/16/2024THIS CLEARS MEL 33-14C SEAMC PETER NOTIFIED, PLACARDS REMOVED.