Service difficulty report · Battery Pack · Boeing 737823

Difficulty date
April 1, 2026
Submitted
April 2, 2026
Operation
Air carrier
Aircraft
N837NN
Make and model
Boeing 737823
Aircraft serial
30908
Aircraft time
47,153 hours, 20,057 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 NOT GROUNDED: EXTERNAL EMERGENCY LIGHT AFT OF LEFT HAND AFT SERVICE DOOR IS NOT ILLUMINATING. REPLACED BATTERY PACK ABOVE AFT LEFT HAND LAVATORY. PER MM 33-51-06. OPS CHECK GOOD.