# SDR ASAA2021041134560

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2021
- Submitted: April 14, 2021
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 53,587 hours, 15,701 cycles
- Engine: Cfmint CFM567B27
- Engine time: 53,604 hours, 15,706 cycles
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Guide Vane
- Condition: Cracked
- Location: Rt Engine
- Part time: 53,604 hours, 15,706 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/ASAA2021041134560

## Discrepancy

WHILE ACCOMPLISHING T/C 78472022 # 2 ENGINE, FOUND 6 STG 1 LPT NOZZLE GUIDE VANES CRACKED. GROUNDED - YES. REPLACED#2  ENGINE. TRANSFERRED TO SHOP W/O 1869811.

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