Service difficulty report · Fire Bottle · Textrn TEXTRON700

Difficulty date
September 26, 2023
Submitted
September 26, 2023
Operation
General aviation
Aircraft
N809QS
Make and model
Textrn TEXTRON700
Aircraft serial
7000036
Aircraft time
3,201 hours, 1,888 cycles
Part
Fire Bottle
Part number
FX049001
Part serial
0039
Condition
False Activation
Location
Zone 100
Part time
3,201 hours, 1,888 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT ENGINE FIRE BOTTLE SQUIB ASSEMBLIES FOUND IN OPPOSITE POSTIONS. OUR INVESTIGATATION REVEALLED THAT THE DISCHARGE OUTLET AT THE J1 POSITION CONTAINED THE SQUIBB ASSEMBLY (P/N: CT03300-1 CARTRIDGE J-2 & FX04915-2 DISCHARGE OUTLET J-2) COMPONENTS THAT SHOULD HAVE BEEN INSTALLED AT THE J2 POSITION. LIKEWISE, THE DISCHARGE OUTLET AT THE J2 POSITION CONTAINED THE SQUIBB ASSEMBLY (P/N: CT03200-1 CARTRIDGE J-1 & FX04915-1 DISCHARGE OUTLET J-1) COMPONENTS THAT SHOULD HAVE BEEN INSTALLED AT THE J1 POSITION. FURTHER REVIEW THEN CONFIRMED THAT THE CANNON PLUGS ARE “MURPHY-PROOF” AND CAN ONLY BE INSTALLED ON THE SQUIBBS THAT THEY WERE INTENDED FOR. IT IS THEREFORE OBVIOUS THAT IN THE EVENT OF A LEFT ENGINE FIRE, THE CREW WOULD UNWITTINGLY BE DISCHARGING FIRE AGENT INTO THE RIGHT-HAND ENGINE INSTEAD OF THE LEFT. THE CORRECTION WAS TO SWAP THE COMPONENTS FROM THE J-1 DISCHARGE OUTLET WITH THE COMPONETS FROM THE J-2 DISCHARGE OUTLET. SQUIBB ASSEMBLY (P/N: CT03200-1 CARTRIDGE J-1 & FX04915-1 DISCHARGE OUTLET J-1) IS NOW IN THE J-1 DISCHARGE PORT. LIKEWISE, SQUIBB ASSEMBLY (P/N: CT03300-1 CARTRIDGE J-2 & FX04915-2 DISCHARGE OUTLET J-2) IS NOW IN THE J-2 DISCHARGE PORT.