# SDR ASAA2019121643614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2019
- Submitted: December 17, 2019
- Operation: Air carrier
- Aircraft: [N516AS](https://openairdocs.org/aircraft/N516AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39044
- Aircraft time: 41,758 hours, 12,531 cycles
- Engine: Cfmint CFM567B27
- Engine time: 41,758 hours, 12,531 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Pin
- Condition: Migrated
- Location: Lt Engine
- Part time: 41,758 hours, 12,531 cycles
- 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/ASAA2019121643614

## Discrepancy

WHILE ACCOMPLISHING #1 ENG INSPECTION ESN #897741 FOUND STAGE 3 3 O'CLOCK POSITION ANTI-ROTATION PIN ROTATED AND MIGRATED OUT REF T/C SBCFM56-7B-72-0986-1. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE REF WO #1012101 AND TASK CARDS 78471000, 78471001, 78454000 FOR ALL WORK ACCOMPLISHED.

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