# SDR ASAA2017090521825

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2017
- Submitted: September 7, 2017
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 34,934 hours, 10,528 cycles
- Engine: Cfmint CFM567B273
- Engine time: 34,934 hours, 10,528 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Pin
- Part serial: 896629
- Condition: Out Of Position
- Location: Nr 2 Engine
- 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/ASAA2017090521825

## Discrepancy

NR 2 ENGINE,  WHILE ACCOMPLISHING T/C SBCFM56-7B-72-0986-1, FOUND ANTI-ROTATION PIN ROTATED 90 DEGREES AND MIGRATING OUT. THIRED STAGE, 3 OCLOCK POSITION SEGMENT SEAL, SLAB HEAD. ACFT  GROUNDED.  REMOVED & REPLACED THE NR 2 ENGINE IAW CARDS 78471000, 7847100. ACCOMPLISHED EA PWRPL-71EA-11276.

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