Service difficulty report · Battery Pack · Boeing 737990ER

Difficulty date
January 29, 2018
Submitted
January 31, 2018
Operation
Air carrier
Aircraft
N453AS
Make and model
Boeing 737990ER
Aircraft serial
36354
Aircraft time
16,102 hours, 5,328 cycles
Part
Battery Pack
Part number
D71702001
Condition
Malfunctioned
Location
Emergency Light
Stage of operation
CR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FIRST CLASS EMERGENCY LIGHTS RAMDOMLY FLICKER ON AND OFF IN FLIGHT. ACFT GROUNDED. REMOVED AND REPLACED THE BATTERY PACK IAW WDM 33-51-12 AND AMM 33-51-06. PERFORMED OPS TESTED. SYS CHECKED NORMAL.