# SDR DALA2025022801555

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2025
- Submitted: February 28, 2025
- Operation: Air carrier
- Aircraft: [N349NW](https://openairdocs.org/aircraft/N349NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 417
- Aircraft time: 93,332 hours, 43,067 cycles
- Engine: Cfmint CFM565A3
- Engine time: 86,321 hours, 40,944 cycles
- System (JASC): [7730 · Engine Ignition Analyzer System](https://openairdocs.org/jasc/7730)
- Part: Blades
- Condition: Shingled
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025022801555

## Discrepancy

N1 ON #1 ENGINE ON CLIMB OUT VARYING BETWEEN .9-4.4 QRH 7.80 COMPLIED WITH. CRUISE N1 .9-3.9 ON DESCENT ON THRUST REDUCTION VIBES AS HIGH AS 9.9. THRUST REDUCED TO MAINTAIN BELOW 6.0 FOR DURATION OF FLIGHT.  INSP. FAN BLADES PER A320 AMM 72-21. FOUND SHINGLED BLADES AND DAMAGE AT MIDSPAN. BEYOND LIMITS PER A320 AMM 72-21. REMOVED AND REPLACED FAN BLADE SET PER A320 AMM 72-21. (357111) PERFORMED VIB CHK PER A320 AMM 71-00, NTF. VIBES NML. (LP: 4014589)

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