# SDR ASAA2023080744488

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2023
- Submitted: August 11, 2023
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 35,053 hours, 11,000 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: B
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023080744488

## Discrepancy

WHILE ACCOMPLISHING T/C SBCFM56-7B-72-0986-1 ON #2 ENG SN 658693 FOUND STAGE 2 ANTI ROTATION PINS AT 9:00 AND 3:00 ALF ROTATED BETWEEN 0 AND 45 DEGREES. GROUNDED - YES. ON DEFERRAL.

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