# SDR P5CA2011100700481

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2011
- Submitted: October 7, 2011
- Operation: Air carrier
- Aircraft: [N451PA](https://openairdocs.org/aircraft/N451PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30809
- Aircraft time: 47,181 hours, 7,713 cycles
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Sleeve
- Condition: Damaged
- Location: Nr 1 Exhaust
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2011100700481

## Discrepancy

NR 1 ENGINE EXHAUST SLEEVE OUTER SKIN HAS SEVERAL DENTS AND NICKS BETWEEN NSTA 318 & NSTA 349.  BAC APPROVED LEAVING ALL DENTS AS IS SINCE THEY ARE WITHIN ALLOWABLE LIMITS IAW SRM 54-51-30-1A-1 DETAIL VI.  NICKS WERE REPAIRED AS PER EI T2011A54B-1997.

---
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.