Service difficulty report · Seal · Cessna 680A

Difficulty date
May 17, 2019
Submitted
May 20, 2019
Operation
Air carrier
Aircraft
N682QS
Make and model
Cessna 680A
Aircraft serial
5605654
Aircraft time
11,641 hours, 8,930 cycles
Part
Seal
Condition
Deformed
Location
Bleed Air Sys
Stage of operation
CL
How discovered
O
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

ENGINE FIRE INDICATION ON RIGHT ENGINE WHILE CLIMBING OUT OF APPROXIMATELY FL190. WHEN THROTTLE WAS BROUGHT TO IDLE, THE FIRE LIGHT EXTINGUISHED IN ABOUT 3 SECONDS. AFTER LANDING, CFR CREWS COULD NOT IDENTIFY ANY HOT SPOTS WITH FLIR EQUIPMENT. COWLING FELT COOL TO THE TOUCH. THERE WERE NO OTHER PHYSICAL SIGNS OF FIRE ANYWHERE ON THE ENGINE COWLING, EXHAUST OR PYLON. ****CORRECTIVE ACTION**** ARRIVED AT AIRCRAFT INSPECTED COWLING NO SIGNS OF HEAT DAMAGE. OPENED COWLING INSPECTED LOWER FIRE LOOP NO DEFECTS NOTED INSPECTED ALTERNATOR NO DEFECT NOTED. REMOVED UPPER COWL AND FOUND WIGGINS FITTING SEAL JUST ABOVE PYLON DEFORMED AND SLIGHT DESCOLORATION ON COWLING. RAN ENGINE AND FOUND SIGNIFICANT LEAK FROM FITTING. REMOVED BLEED LINE AND REPLACED SEALS AS REQUIRED REF AMM CH36-11-00 C/W LEAK CHECKS NOTED NOTED. REINSTALLED UPPER AND LOWER COWLS AS REQUIRED.

More about the Cessna 680A