Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date
May 28, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
32,087 hours, 10,186 cycles
Part
Power Supply
Part number
D71702001
Condition
Discharged
Location
Main Cabin
Stage of operation
IN
How discovered
C
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 PERFORMING TC #78233008 FOUND LH FWD OVERWING EMERGENCY LIGHT AND TWO ASSOCIATED OVERHEAD CEILING EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1694 IAW B737-800 AMM 33-51-06-960-806. ALL EMERGENCY LIGHTS NOW CHECK GOOD. NO OTHER DEFECTS.