Service difficulty report · Power Supply · Boeing 737890

Difficulty date
May 25, 2022
Submitted
June 2, 2022
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
55,677 hours, 16,326 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Main Passenger C
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

EMERGENCY LIGHT SYSTEM BATTERY PACK M1674 AND M1675 FAILED CAPACITY CHECK. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY AND INSTALLATION TEST GOOD FOR M1674 AND M1675 IAW B737-800 AMM 33-51-06-960-806.