Service difficulty report · Battery Pack · Boeing 737924ER

Difficulty date
October 27, 2026
Submitted
October 30, 2026
Operation
Air carrier
Aircraft
N66841
Make and model
Boeing 737924ER
Aircraft serial
42182
Aircraft time
36,813 hours, 13,687 cycles
Engine
Cfmint CFM567B27
Part
Battery Pack
Part number
ADD71701100
Condition
Inoperative
Location
Zone 200
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

FOUND TWO OVERHEAD EMERGENCY LIGHTS INOPERATIVE AT ROWS 9FED & 14FED. R & R THE EMERGENCY AISLE LIGHTS AT ROWS 9DEF AND 14DEF. NO HELP, LIGHTS INOPERATIVE. FOUND ALL LIGHTS ASSOCIATED WITH POWER SUPPLY M1676 INOPERATIVE, INCLUDING OVER WING EXIT LIGHT L1209 IAW WDM 33-51-12-8. R & R THE POWER SUPPLY BATTERY PACK M1676 IAW AMM 33-51-06, OPS TESTED GOOD.