# SDR 9604173207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N307US
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 106
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Nut
- Part number: LH7461T144D
- Condition: Cracked
- Location: Lt Eng Fwd Mount
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9604173207

## Discrepancy

DURING '1C1' CHECK, LEFT ENGINE CHANGE FOUND THE FORWARD ENGINE MOUNT FORWARD ATTACH NUTS CRACKED.  FURTHER INVESTIGATION REVEALED THAT IMPROPER CONFIGURATION NUTS WERE PREVIOUSLY INSTALLED (P/N LH7461T144D) PROPER CONFIGURATION IS (VN401B144).  REPLACED ENGINE (P/N CMF56-5), (S/N 731569; 11692 T50) AND ASSOCIATED MOUNTING HARDWARE.

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