SDR DXTA2015120306135

Service difficulty report · Warning Light · Cessna 560XL

Difficulty date: December 9, 2015
Submitted: December 11, 2015
Operation: Air carrier
Aircraft: N553QS
Make and model: Cessna 560XL
Aircraft serial: 5605372
Aircraft time: 7,531 hours, 6,005 cycles
System (JASC): 2620 · Extinguishing System
Part: Warning Light
Condition: False Activation
Stage of operation: CR
How discovered: V
Nature of condition: J
Precautionary procedure: A

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

What was found

FIRE BOTTLE LOW INDICATOR CAME ON INFLIGHT AT FL380, STAYED ON THROUGH FL240. REMOVED BOTTLES, WEIGHED BOTTLES, FWD BOTTLE WEIGHED 7.05 POUNDS, LAST CHARGED IN 10 2015 & WEIGHED 7.06 POUNDS. AFT BOTTLE WEIGHED 7.00 POUNDS, LAST CHARGED 3 2014 & WEIGHED 7.06 POUNDS. RANG OUT PX SWITCHES, BOTH READ OPEN AS THEY SHOULD. REINSTALLED BOTTLES & REPORTED FINDINGS. R & R BOTH ENG FIRE BOTTLES IAW MM 26-21-01. NO LIGHT AT THIS TIME, SQUIBS WERE ALREADY INSTALLED IN BOTH BOTTLES.

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