Service difficulty report · Battery Pack · Boeing 737990

Difficulty date
May 15, 2023
Submitted
May 16, 2023
Operation
Air carrier
Aircraft
N319AS
Make and model
Boeing 737990
Aircraft serial
33679
Aircraft time
65,432 hours, 26,333 cycles
Part
Battery Pack
Part number
D71702001
Condition
Discharged
Location
Main Cabin
Stage of operation
IN
How discovered
C
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

REF ASA TC 78233008- EMERGENCY EXIT DOME LT, FWD ESCAPE SIDE LEFT, OVERDOOR EXIT SIGN + FWD ENTRY LT MODULE DID NOT ILLUMINATE DURING EMERGENCY EXIT LT TEST. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK ON EMERGENCY LIGHT POWER SUPPLY MOD 1675, REF B737-900 AMM 33-51-06, OPS NORMAL.