SDR SWAA2020060287708

Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date: May 29, 2020
Submitted: June 2, 2020
Operation: Air carrier
Aircraft: N8327A
Make and model: Boeing 7378H4
Aircraft serial: 37009
Aircraft time: 25,316 hours, 11,164 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: D71701100
Part serial: 215152
Condition: Faulty
Location: Cabin
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

DURING PFC SERVICE FOUND IN FWD CABIN SEVERAL EMERGENCY LIGHTS OUT. TROUBLESHOT PER WDM 33-51-12, FOUND EMERGENCY BATTERY PACK M2335 FAULTY. REMOVED AND REPLACED EMERGENCY BATTERY PACK IAW AMM 33-51-06. OPS CHECKS NORMAL, POS FWD PN OFF D717-01-100, SN OFF 215152, PN ON D717-01-100SWA AND SN ON 37287.

More about the Boeing 737-8H4