Service difficulty report · Battery Pack · Boeing 737436

Difficulty date
March 17, 2026
Submitted
March 17, 2026
Operation
Air carrier
Aircraft
N405CK
Make and model
Boeing 737436
Aircraft serial
25407
Aircraft time
59,720 hours, 41,981 cycles
Part
Battery Pack
Part number
BPS73
Part serial
10827
Condition
Inoperative
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

DURING T/S FOUND L1 DOOR AND FLIGHT DECK ENTRY DOOR EMERGENCY LIGHTS INOP. REMOVED AND REPLACED LEFT HAND EMERGENCY LIGHT BATTERY PACK IAW B737 AMM 33-51-51 OPS CHECK GOOD