# SDR DL777060929

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2006
- Submitted: November 10, 2006
- Operation: Air carrier
- Aircraft: [N863DA](https://openairdocs.org/aircraft/N863DA), registered now
- Make and model: Boeing 777232
- Aircraft serial: 29735
- Aircraft time: 29,833 hours, 4,605 cycles
- Engine: Rroyce RB211TRENT89
- Engine time: 28,730 hours, 4,573 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Part number: TRENT89517
- Part serial: 051177
- Condition: Damaged
- Location: Nr 1 Engine
- Part time: 28,730 hours, 4,573 cycles
- 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/DL777060929

## Discrepancy

NR 1 ENG SHOWED TREND SHIFT.  C/W BORO OF HPC COMPRESSOR. FOUND 6TH STAGE PC COMPLETELY FO OUT. OUT OF LIMITS IAW MM.  NR 1 ENG S/N 51177 ENG CHANGE REQUIRED.  C/W ENG CHANGE IAW TRANS 11T003.

---
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.