Service difficulty report · Battery Pack · Textrn TEXTRON700

Difficulty date
July 8, 2024
Submitted
July 8, 2024
Operation
Air carrier
Aircraft
N841QS
Make and model
Textrn TEXTRON700
Aircraft serial
7000088
Aircraft time
1,348 hours, 788 cycles
Part
Battery Pack
Part number
CBS28I
Part serial
008826
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

EMERGENCY LIGHTS DO NOT OPERATE IN THE ARM POSITION. THE EMEGENCY LIGHTS OPERATE IN THE ON POSITION. ACCOMPLISHED THE PROCEDURE EMERGENCY LIGHTS FAIL PREFLIGHT TEST IN THE QRH. AFTER PERFORMING TC WE CALLED TEAM700 FOR INFORMATION. THEY SUGGESTED SWAPPING FWD BATTRIES BECAUSE LT FWD BATTERY UC019 POWERS THE RELAY FROM THE SWITCH. REPOSTIONED BATTERIES AND PERFORMED A SATISFACTORY OPS CHECK. INSTALLED ORIGINAL RIGHT BATTERY BACK INTO POSTION AND NOTIFED MCC. MCC ELECTS TO LEAVE BATTERIES IN SWAPPED POSTIONS AS SYSTEM OPS CHECKS GOOD. ALL WORK DONE PER CESSNA CE700 MM 33-50-07. OPS CHECK GOOD.