Service difficulty report · Battery Pack · Boeing 737990

Difficulty date
July 30, 2021
Submitted
August 3, 2021
Operation
Air carrier
Aircraft
N305AS
Make and model
Boeing 737990
Aircraft serial
30013
Aircraft time
65,127 hours, 25,974 cycles
Part
Battery Pack
Part number
ADD71701100
Condition
Failed
Location
Emergency Lights
Stage of operation
IN
How discovered
9
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

MULTIPLE EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND INSTALLED SERVICEABLE EMERGENCY BATTERY PACK M1676 IAW B737-900 AMM 33-51-06-960-805, RELAMPED R/H AFT OVERWING EMERGENCY EXIT LIGHT IAW B737-900 AMM 33-51-04-960-801 AND REPLACED POWER SUPPLY FUSE IN ROW 15L POWER SUPPLY IAW B737-900 AMM 33-51-06-960-804, ALL EMERGENCY LIGHTS OPS CHECK GOOD IAW B737-900 AMM 33-51-04-960-801.