# SDR 96UAL900802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N768UA](https://openairdocs.org/aircraft/N768UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26919
- Engine: Pwa PW4077
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Stator Vane
- Part number: 56H156
- Condition: Cracked
- Location: Nr 1 Engine
- Part time: 5,600 hours
- 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/96UAL900802

## Discrepancy

FOUND NR 1 ENGINE 6TH STAGE HIGH PRESSURE COMPRESSOR VARIABLE STATOR VANE BEYOND CRACK LIMITS.  ALSO, SUSPECT A CRACK AT THE TENTH VANE BELOW AP3 PORT.  *S/D*  REMOVED ENGINE AND REPLACED ALL HPC 6TH STAGE STATOR VANES.  PROBLEM PREVIOUSLY DOCUMENTED.  NEW VANE DESIGN IN PROCESS.

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