SDR AALA201910159017

Service difficulty report · Battery Pack · Boeing 737823

Difficulty date: October 13, 2019
Submitted: October 15, 2019
Operation: Air carrier
Aircraft: N817NN
Make and model: Boeing 737823
Aircraft serial: 29558
Aircraft time: 30,702 hours, 12,304 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: D71701100
Condition: No Test
Location: Emergency Lights
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

AIRCRAFT WAS GROUNDED: MAINTENANCE REPORTS DURING ACCOMPLISHMENT OF JOB CARD 2908 BATTERY PACKS M1670, M1673, M1694 AND M1695 FAILED CAPACITY CHECK. REPLACED BATTERY PACKS AT M1670, M1673, AND M1695 AND POWER SUPPLY AT M1694 IAW AMM 33-51-06. OPS CHECK NORMAL. (SEE SDR # AALA201910149005, AALA201910159016, AALA201910159018)