Service difficulty report · Intake Duct · Cessna 421C

Difficulty date
May 3, 2026
Submitted
May 4, 2026
Operation
General aviation
Aircraft
N123NP
Make and model
Cessna 421C
Aircraft serial
421C0402
Aircraft time
6,638 hours
Engine
Cont GTSIO520*
Propeller
Mcauly 3FF32C501
Part
Intake Duct
Condition
Loose
Location
Zone 400
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
C

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

What was found

ON 3 MAY 2026, APPROXIMATELY 11:55 AM, N123NP DEPARTED BIL FOR FBL AND FOUND THAT THE RIGHT ENGINE WOULDN'T MAKE RED LINE MAP AND ABORTED HIS TAKEOFF. MAINTENANCE FOUND A COUPLE INDUCTION TUBE CLAMPS LOOSE. THE MECHANIC TIGHTENED BOTH CLAMPS AND AND THE PILOT DEPARTED TO FBL WITHOUT INCIDENT.

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