# SDR CA190329036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Boeing 737-400
- Registry model: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (OpenAirDocs)
- Aircraft time: 51,403 hours
- Engine: Cfmint CFM563C1
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Mount
- Part number: LM321SA19V
- Condition: Cracked
- Location: Engine
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190329036

## Discrepancy

(CAN) DESCRIPTION: DURING ROUTINE INSPECTION OF PYLON WHILE PERFORMING SCHEDULED POWERPLANT REMOVAL AND INSTALLATION , BOTH FORWARD AND THE AFT ENGINE MOUNT ISOLATORS WERE FOUND TO HAVE CRACKS IN THE RUBBER. CORRECTION: ALL THREE MOUNTS BEING REPLACED.

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