SDR 20010514CW008

Service difficulty report · Exhaust Pipe · Cessna 402B

Difficulty date: April 18, 2001
Submitted: May 14, 2001
Operation: Air carrier
Aircraft: N402BF
Make and model: Cessna 402B
Aircraft serial: 402B1076
Engine: Cont TSIO520*
System (JASC): 7810 · Engine Collector/Tailpipe/Nozzle
Part: Exhaust Pipe
Part number: 991029536
Condition: Damaged
Location: Rt Engine
Stage of operation: AP
How discovered: O
Nature of condition: R
Precautionary procedure: O

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

What was found

WHILE ON FINAL APPROACH, THE PILOT REPORTED A LOSS OF MANIFOLD PRESSURE WITH THE RIGHT ENGINE. IT WAS FOUND THAT THERE WAS A HOLE APPROX 1.5 X 3.0 INCHES IN THE RIGHT ENGINE EXHAUST, MOST SPECIFICALLY FOCUSED AROUND THE NR 3 CYLINDER EXHAUST PIPE. THE EXHAUST STACK ASSEMBLY WAS REPLACED.

More about the Cessna 402B