Service difficulty report · Battery Pack · Boeing 737924ER

Difficulty date
September 24, 2026
Submitted
September 25, 2026
Operation
Air carrier
Aircraft
N78438
Make and model
Boeing 737924ER
Aircraft serial
33533
Aircraft time
53,394 hours, 19,232 cycles
Engine
Cfmint CFM567B27
Part
Battery Pack
Part number
ADD71701100
Condition
No Test
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

OPERATIONAL CHECK OF THE EMERGENCY LIGHTS, RT AFT OVERWING OUTSIDE EMERGENCY EXIT LIGHT INOP RT FORWARD EXTERIOR OVERWING EXIT LIGHT INOP . MEL 3314A REJECTED PER SIGN OFF CHANGED BATTERY PACK M1676 IN REFERENCE WITH AMM 33-51-06-960-805.OPS CHECK NORMAL AT THIS TIME ALL LIGHTS OPERATE NORMALLY.