SDR DXTA2022120775730

Service difficulty report · Battery Pack · Textrn TEXTRON700

Difficulty date: December 7, 2022
Submitted: December 9, 2022
Operation: Air carrier
Aircraft: N801QS
Make and model: Textrn TEXTRON700
Aircraft serial: 7000023
Aircraft time: 2,577 hours, 1,510 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: CBS291
Part serial: 2717M
Condition: Failed
Location: Emergency Lights
Stage of operation: NR
How discovered: O
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

IN THE ON POSITION, THE EMERGENCY LIGHTS DO NOT COME ON. IN THE ARM POSITION THEY DIMLY FLICKER ON, THEN FADE TO OFF. REMOVED THE NR 1, 2, 3, & 4 EMERGENCY LIGHTING BATTERY PACKS IAW MM 33-50-07. INSTALLED THE BATTERY PACKS IAW MM 33-50-05. OPS CHECKED GOOD IAW MM 33-50-00. ORIG SUB DATE: 12/7/2022