Service difficulty report · Bleed Valve · Lear 60LEAR

Difficulty date
August 24, 2021
Submitted
September 8, 2021
Operation
Air carrier
Aircraft
N372SC
Make and model
Lear 60LEAR
Aircraft serial
60373
Aircraft time
2,809 hours, 1,618 cycles
Engine
Pwa PW305A
Engine time
2,809 hours, 1,618 cycles
Part
Bleed Valve
Condition
Faulted
Location
Rt Engine
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

THE FLIGHT CREW REPORTED THAT ON CLIMBOUT THE EDS FAULT ANNUNCIATOR ILLUMINATED WITH THE RIGHT ENGINE ITT RED. EXCEEDANCE TO 805 DEGREES. THE FLIGHT CREW REDUCED THRUST TO KEEP ITT WITHIN LIMITS. THE FLIGHT CREW ALSO NOTED THAT AT 785 DEGREES, THE FUEL FLOW WAS 100 POUNDS PER HOUR HIGHER THEN THE LEFT ENGINE. THE MAINTENANCE VENDOR TROUBLESHOT AND FOUND FAULTS WITH THE INBOARD 2.8 COMPRESSOR BLEED VALVE AND THE OUTBOARD 2.5 COMPRESSOR BLEED VALVE DEFECTIVE. THE COMPRESSOR VALVES WERE REPLACED WITH OVERHAULED UNITS. OPS CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE. 2.8 VALVE P/N 31B5756-01 S/N AHX013190 2.5 VALVE P/N 31B5759-01 S/N AHX103100