Service difficulty report · Precooler · Cessna 560CESSNA

Difficulty date
March 4, 2016
Submitted
March 7, 2016
Operation
Air carrier
Aircraft
N827QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600801
Aircraft time
4,885 hours, 3,916 cycles
Engine
Pwa PW535A
Part
Precooler
Part number
82303
Condition
Defective
Location
Bleed Air Sys
Part time
4,885 hours, 3,916 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

RIGHT ENG, BLEED AIR OVERHEAT, LIGHT CAME ON AT 31,000 FEET. RAN CHECKLIST & LIGHT WENT OUT. DIVERTED AIRPLANE. ON TAKEOFF, THE RT ITT WENT TO 710 DEGREES C IN THE YELLOW ARC & FUEL FLOW WAS 180 PPH HIGHER ON THE RT ENG. TRANSIENT LIMITS WERE NOT EXCEEDED & ITT STABILIZED. AT CRUISE, ITT WAS 60 DEGREES C HIGHER ON RT ENG & FUEL FLOW WAS HIGHER BY 120 PPH. R & R THE RT PRECOOLER IAW MM 36-11-05. OPERATIONAL & LEAK CHECKED GOOD.