Service difficulty report · Battery · Textrn TEXTRON700

Difficulty date
March 29, 2026
Submitted
March 31, 2026
Operation
Air carrier
Aircraft
N878QS
Make and model
Textrn TEXTRON700
Aircraft serial
7000135
Aircraft time
1,230 hours, 720 cycles
Part
Battery
Condition
Discharged
Location
Zone 200
Stage of operation
CR
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

DURING CRUISE, EMERGENCY LIGHTS WERE NOTED TO BE ON, TRIED TO RESET VIA G SWITCHES UNDER BOTH PILOT AND COPILOT SEATS DID NOT CORRECT ISSUE. AFTER LANDING, TRIED TO RESET AGAIN LIGHTS WOULD NOT RESET. VERIFIED DISCREPANCY. THEN, CHARGED EMERGENCY FOR 2 HOURS. GAIN ACCESS TO FWD EMERGENCY BATTERIES AND FOUND NO DEFECTS PERFORMED RESET OF PILOT AND CO-PILOTS G- SWITCH WITH NO CHANGE. GAINED ACCESS TO AFT BATTERIES. CHARGED THEM FOR 2 HOURS AND SUCESSFULLY RESETTED EMERGENCY LIGHTS OFF VIA AFT G-SWITCH. RESTORED ACCESS GAINED, ALL WORKED PERFORMED USING TEXTRON 700 AMM 33-50-00