# SDR ASAA2018040324125

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2018
- Submitted: April 4, 2018
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 30,524 hours, 9,048 cycles
- Engine: Cfmint CFM567B273
- Engine time: 30,524 hours, 9,048 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Pin
- Condition: Migrated
- Location: Nr 1 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/ASAA2018040324125

## Discrepancy

NR 1 ENGINE 9 O'CLOCK POSITION THIRD STAGE VSV SLAB HEAD PIN ROTATED 90 DEGREES WITH MIGRATION AND MATERIAL WEDGED BEHIND THE PIN BEYOND LIMITS IAW TC SBCFM56-7B-72-0986-1, STEP 7B.  ACFT GROUNDED.  REMOVED AND REPLACED THE NR 1 ENGINE IAW TC 78471000 AND 78471001.  ACCOMPLISHED EA PWRPL-71EA-11276.

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