# SDR 98ZZZM332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N91237
- Make and model: Cvac 24013
- Aircraft serial: 140
- Engine: Pwa R2800*
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 327626
- Condition: Cracked
- Location: Nr 2 Eng
- Stage of operation: CR
- Nature of condition: E
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZM332

## Discrepancy

WHILE IN CRUISE, NR 2 ENGINE BEGAN BACKFIRING REPEATEDLY ENGINE SHUT DOWN AND SECURED AND LANDED MDPC WITH NO INCIDENT.  FOUND NR 4 CYLINDER CRACKED.  REMOVED AND REPLACED WITH SERVICEABLE CYLINDER ASSY.  AIRCRAFT RETURNED TO SERVICE.  (M)

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