Service difficulty report · Duct · Cessna 550

Difficulty date
November 4, 2003
Submitted
November 4, 2003
Operation
General aviation
Aircraft
N26496
Make and model
Cessna 550
Aircraft serial
5500607
Aircraft time
5,957 hours, 5,004 cycles
Engine
Pwa JT15D4
Engine time
2,481 hours, 3,801 cycles
Part
Duct
Part number
310863201
Condition
Cracked
Location
Engine
Part time
2,481 hours, 3,801 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING A PHASE 3 AND 4 INSPECTION, IT WAS DISCOVERED THAT THE FORWARD INNER BY-PASS DUCT HAD A CRACK. THE CRACK WAS LOCATED AT THE 6 O'CLOCK POSITION AND WAS ABOUT AND INCH-AND-A-HALF LONG. THE DUCT WAS REMOVED AND A NEW FORWARD INNER BY-PASS DUCT WAS INSTALLED.

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