SDR MALA060448

Service difficulty report · Anti-Ice Valve · Saab 340B

Difficulty date
June 30, 2006
Submitted
July 5, 2006
Operation
Air carrier
Aircraft
N425XJ
Make and model
Saab 340B
Aircraft serial
340B425
Aircraft time
20,855 hours, 22,962 cycles
Engine
Ge CT79B
Part
Anti-Ice Valve
Part number
6068T56P01
Part serial
AEX10148
Condition
Failed
Location
Rt Engine
Stage of operation
NR
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

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

What was found

AFTER V1, NOTICED RT ENG ITT HIGH (936). CONTINUED T/O AND NOTICED RT ENG CONTINUED TO RUN HOT. AT CHARTERED TO THRU 9000 FT. RT ENG WAS 50 DEGREES HOTTER THAN LT ENG WHICH WAS 44 DEGREES WARMER THAN LAST TREND. FOLLOWED QRH AND TRIED TO AVOID NG RANGES. AT LEVEL OFF RT ENG WENT BACK TO NORM ITT (NOTE WE WERE IN THE 94-98 AVOIDANCE RANGE FOR AWHILE OUT OF POM NOT QRH). REMOVED AND REPLACED PERISEAL AT 8 O'CLOCK POSITION IN THE TURTLEBACK. PERFORMED UNCAPPED GPA ENGINE RUN IAW WC 7100-302. FAXED RESULTS TO TREND MONITORING. OPS CHECKS GOOD. REMOVED AND REPLACED RT ENGINE ANTI-ICE VALVE PN 6068T56P01, SN OFF AEX10148, SN ON GRTB9171. PERFORMED ENG RUN REF SAAB JC 7100-302 ITT MARGIN MET PER GE ENG.

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