# SDR 96ZZZX5734

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N29TF](https://openairdocs.org/aircraft/N29TF), registered now
- Make and model: Piper PA-42
- Registry model: [Piper PA-42](https://openairdocs.org/model/piper-pa-42) (OpenAirDocs)
- Aircraft serial: 425501003
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Bolt
- Part number: 553344
- Condition: Fractured
- Location: Lt Eng Lt Mt
- Part time: 5,338 hours
- Component: 74888002
- 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/96ZZZX5734

## Discrepancy

DURING ROUTINE INSPECTION THE LEFT ENGINE, LEFT OUTBOARD UPPER ENGINE MOUNT TO FIREWALL RETENTION BOLT, P/N 553-344 WAS FOUND FRACTURED.  PART TOTAL TIME WAS 5338.1 HRS.  LIFE LIMIT FOR THE PART PER PIPER MTC. MANUAL (P/N 761.523 CHAPTER 5 IS 7,500 HRS.  IT WAS DECIDED TO REPLACE ALL ENGINE MOUNT TO FIREWALL BOLTS (P/N 553-344) AT THIS TIME.)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.