Service difficulty report · Battery Pack · Boeing 737823

Difficulty date
May 11, 2021
Submitted
May 13, 2021
Operation
Air carrier
Aircraft
N849NN
Make and model
Boeing 737823
Aircraft serial
33213
Aircraft time
32,959 hours, 13,277 cycles
Part
Battery Pack
Condition
Faulted
Location
Emergency Lights
Stage of operation
LD
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

AIRCRAFT WAS GROUNDED: ON LANDING EMERGENCY EXIT LIGHTS CAME ON THEN EXTINGUISED AFTER APPROXIMATELY 30 SECONDS. NO SWITCHES CHANGED IN COCKPIT. REPLACED FAULTY BATTERY PACK M1672 PER AMM 33-51-06.