# SDR ASAA2022032237757

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2022
- Submitted: March 24, 2022
- Operation: Air carrier
- Aircraft: [N464AS](https://openairdocs.org/aircraft/N464AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40714
- Aircraft time: 29,811 hours, 9,309 cycles
- Engine: Ge CFM567B24
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Spacer
- Part number: 3400012620
- Condition: Worn
- Location: #2 Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022032237757

## Discrepancy

#2 ENGINE TREND DATA SHOWS A RISE IN LOW PRESSURE ROTOR VIBRATION LEVELS. GROUNDED - YES. REPLACED 4 SPACERS AND COMPLIED WITH TASKCARD 78472010.

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