# SDR SWAA2014062329284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2014
- Submitted: June 23, 2014
- Operation: Air carrier
- Aircraft: N349SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 24408
- Aircraft time: 79,858 hours, 69,082 cycles
- Engine: Cfmint CFM563B1US
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Sensor
- Part number: 8901326
- Part serial: WYG42191
- Condition: Faulty
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2014062329284

## Discrepancy

AIR TURN BACK, NR 2 ENG FLUCTUATION APPROX 4 % N1 DURING TAKEOFF & CLIMB FOR APPROX 3 - 4 MINUTES.  ONCE STABILIZED, N1 WAS APPROX 10% BELOW NR 1 ENG N1.  R & R NR 2 ENG T2 SENSOR IAW MM.

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