Service difficulty report · Battery Pack · Textrn TEXTRON700

Difficulty date
May 3, 2026
Submitted
May 6, 2026
Operation
Air carrier
Aircraft
N801QS
Make and model
Textrn TEXTRON700
Aircraft serial
7000023
Aircraft time
5,568 hours, 3,186 cycles
Part
Battery Pack
Part number
64300281
Part serial
K2510591
Condition
No Test
Location
Zone 200
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

EMERGENCY LIGHTS REMAIN ON WHEN SWITCH IS IN OFF POSITION. 5G SWITCH MANUALLY RESET ON PILOT AND CO-PILOT SIDE BUT EMERGENCY LIGHTS REMAIN ON. CORRECTIVE ACTION: REMOVED AND INSTALLED REPAIRED EMERGENCY LIGHT BATTERY PACKS IN PILOTS, CO-PILOT AND 1/H ,RT AFT CABIN IAW AMM 33-50-05. ALL CHECKS GOOD EMERGENCY LIGHTS.