# SDR MXSR20200130001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2020
- Submitted: January 30, 2020
- Operation: General aviation
- Filed by: [Midwest Aero Support LLC, repair station MXSR679E](https://openairdocs.org/faa-repair-station/MXSR679E/midwest-aero-support-llc.md) (OpenAirDocs)
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Canister
- Part number: 001322603WE
- Condition: Debonded
- Location: Engine Mount Vib
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MXSR20200130001

## Discrepancy

BONDED CANISTER ASSY PN 00-13226-03WE MAY NOT HAVE BEEN PROPERLY ASSEMBLED WITH ADHESIVE BETWEEN THE INNER MOLDED ASSY., AND THE OUTER SLEEVE. BONDED CANISTER ASSY. FROM A MANUFACTURING LOT OF 22 TOTAL PARTS WAS DISCOVERED TO NOT BE PROPERLY BONDED BETWEEN THE INNER MOLDED ASSY. AND THE OUTER SLEEVE AS REQUIRED.THE BONDED CANISTER ASSY. IS A COMPONENT OF THE BOTTOM FORWARD ISOLATOR ASSEMBLY WHICH IS PART THE ENGINE MOUNT AND VIBRATION DAMPENING SYSTEM ON THE SAAB 340 AIRCRAFT. THE BOTTOM FORWARD ISOLATOR ASSEMBLY IS 1 OF 5 TOTAL VIBRATION ISOLATORS FOR EACH ENGINE. SERVICE BULLETINE #191030-00-13226-03WE HAS BEEN ISSUED. AFFECTED SERIAL NUMBERS WITH PREFIX “SNCA4-18” FOLLOWED BY ANY OF THE FOLLOWING NUMBERS: 0579, 0580, 0582 THRU 0588, 0590, 0592 & 0593 (12 PARTS).

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