# SDR 20010514CW008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2001
- Submitted: May 14, 2001
- Operation: Air carrier
- Aircraft: [N402BF](https://openairdocs.org/aircraft/N402BF), registered now
- Make and model: Cessna 402B
- Registry model: [Cessna 402B](https://openairdocs.org/model/cessna-402b) (OpenAirDocs)
- Aircraft serial: 402B1076
- Engine: Cont TSIO520*
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010514CW008

## Discrepancy

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.

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