# SDR DALA2026091805197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2026
- Submitted: September 18, 2026
- Operation: Air carrier
- Aircraft: [N336NB](https://openairdocs.org/aircraft/N336NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1683
- Aircraft time: 65,633 hours, 34,153 cycles
- Engine: Cfmint CFM565A5
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026091805197

## Discrepancy

ATB- RETURNED TO AUS DUE TO ENGINE 1 VIBES ABOVE 4.0. CREW ALSO REPORTED FEELING A PULSE.   MTC REPORTED HIGHEST N1 VIBE OBSERVED ON NUMBER ONE ENGINE WAS 4.2 UNITS. C/W FAN LUBE PER WORK CARD 7221-9601-01. C/W VIBE SURVEY PER AMM 71-00, N1 VIBES WITHIN LIMITS. (LP: 9439026, AIRCRAFT WAS GROUNDED)

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