# SDR 4MZA20210527014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2021
- Submitted: July 13, 2023
- Operation: Air carrier
- Aircraft: [N591PA](https://openairdocs.org/aircraft/N591PA), registered now
- Make and model: Amazon MK27
- Registry model: [Amazon MK27](https://openairdocs.org/model/amazon-logistics-mk27) (OpenAirDocs)
- Aircraft serial: 000363
- Aircraft time: 14 hours, 154 cycles
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Mount
- Part number: 120094
- Part serial: A3M8W021A4M0001
- Condition: Cracked
- Location: Motor
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4MZA20210527014

## Discrepancy

DURING SCHEDULED MAINTENANCE INSPECTION, FOUND CRACK IN MOTOR MOUNT OF SPAR #2.

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