Service difficulty report · Power Supply · Boeing 737823

Difficulty date
November 13, 2025
Submitted
November 15, 2025
Operation
Air carrier
Aircraft
N951NN
Make and model
Boeing 737823
Aircraft serial
33327
Aircraft time
34,102 hours, 14,132 cycles
Part
Power Supply
Part number
D71702001
Condition
Faulty
Location
Zone 200
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

AIRCRAFT WAS GROUNDED: SEAT MOUNTED EMERGENCY LIGHTS ROW 19ABC THROUGH 25ABC ARE DIM. REMOVE AND REPLACED M1670 (AALA202511153658) AND M1671 (AALA202511156906) EMERGENCY LIGHTS POWER SUPPLY AND BATTERIES (AALA202511151327), (AALA202511158788). PER AMM 33-51-06. OPERATIONAL CHECK GOOD.