Service difficulty report · Seal · Cessna 750

Difficulty date
July 16, 2008
Submitted
August 5, 2008
Operation
Air carrier
Aircraft
N989QS
Make and model
Cessna 750
Aircraft serial
7500089
Engine
Allsn AE3007A
Part
Seal
Condition
Failed
Location
Pylon Bleed
Stage of operation
NR
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

PYLON BLEED LEAK (R) ILLUMINATED ON FINAL APPROACH AND AGAIN ON THE GROUND. THERE IS ALSO A BURNING ODOR IN THE CABIN. OPENED COWL, INSPECTED LOW PRESSURE LINE & HIGH PRESSURE LINE & DETERMINED THAT THE SEALS HAVE COLLAPSED ALLOWING BLEED AIR TO ENTER THE PYLON. INSTALLED 6 SEALS TO THE ENGINE ANTI-ICE PLUMBING PER MM 12-10-01. RAN ENGINES FOR OPS CHECK & LEAK CHECK. GOOD. REINSTALL ALL PANELS REMOVED.

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