Service difficulty report · Battery Pack · Boeing 737990ER

Difficulty date
April 28, 2026
Submitted
May 1, 2026
Operation
Air carrier
Aircraft
N263AK
Make and model
Boeing 737990ER
Aircraft serial
62471
Aircraft time
34,000 hours, 11,114 cycles
Part
Battery Pack
Part number
D71701100
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

LH FORWARD EMERGENCY LIGHTS INOP. (ROWS 1-13). GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY PACK AT LOCATION 7ABC. IAW AMM 33-51-06. OPS CHECK OK. 4APR676B.