Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date
March 16, 2022
Submitted
March 17, 2022
Operation
Air carrier
Aircraft
N495AS
Make and model
Boeing 737990ER
Aircraft serial
41728
Aircraft time
22,275 hours, 6,999 cycles
Part
Power Supply
Part number
D71702001
Condition
Faulty
Location
Aft Cabin
Stage of operation
CR
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

A/C RIGHT 25 & 30 AND A/C LEFT 27, EMERGENCY LIGHTS ON DURING FLIGHT. GROUNDED - YES. RMVD & RPLCD EMERGENCY LIGHT POWER SUPPLIES M2627 AND M2626 REF B737-900 AMM 33-51-01. OPS NML PER SAME.