Service difficulty report · Battery Pack · Boeing 737823

Difficulty date
May 1, 2026
Submitted
May 1, 2026
Operation
Air carrier
Aircraft
N989NN
Make and model
Boeing 737823
Aircraft serial
33338
Aircraft time
29,361 hours, 12,517 cycles
Part
Battery Pack
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

AIRCRAFT WAS GROUNDED: SEAT MOUNTED EMERGENCY ESCAPE PATH LIGHTS FROM ROW 26 TO 33 FAILED TO ILLUMINATE WHEN EMERGENCY LIGHTS WERE ACTIVATED DURING ACCOMPLISHMENT OF JC 08T20033001. FOUND EMERGENCY BATTERY PACK NOT CHARGING AND BATTERY DEPLETED, REMOVED AND REPLACED PACK IAW AMM 33-51-06.