Service difficulty report · Battery · Boeing 737824

Difficulty date
December 12, 2025
Submitted
December 15, 2025
Operation
Air carrier
Aircraft
N37277
Make and model
Boeing 737824
Aircraft serial
31595
Aircraft time
72,412 hours, 25,874 cycles
Part
Battery
Part number
ADD71701100
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EMERGENCY LIGHTS - OPERATIONAL CHECK EMERGENCY LIGHTS OPERATIONAL CHECK - AT RIGHT OVERWING EXIT, 3EA EXIT LIGHTS DID NOT ILLUMINATE DURING EMERGENCY LIGHT TEST; BOTH FORWARD AND AFT ABOVE DOOR EXIT LIGHTS, AND ONE LOWER EXIT LIGHT AT AFT OVERWING EXIT DOOR. REPLACED EMERGENCY POWER SUPLY BATTERY IN REF TO AMM TASK 33-51-06-960-805. OPS CHECK GOOD ALL EMERGENCY EXIT SIGNS LIGHT PROPERLY.