# SDR SWAA2026081718320

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2026
- Submitted: August 18, 2026
- Operation: Air carrier
- Aircraft: [N7831B](https://openairdocs.org/aircraft/N7831B), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 32752
- Aircraft time: 72,057 hours, 38,279 cycles
- Engine: Cfmint CFM567B242
- Engine time: 80,665 hours, 48,141 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CFM567B24
- Part serial: 876606
- Condition: Slow
- Location: Nr 1
- Stage of operation: TO
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026081718320

## Discrepancy

ON TAKEOFF ROLL NR 1 ENG SIGNIFICANTLY OUT ACCELERATED NR 2 WHEN TOGA WAS SELECTED RESULTING IN A YAW. TAKEOFF REJECTED AT LESS THAN 20KTS. . TROUBLESHOT IAW AMM 71-00-00-700-824-F00. RAN TEST 8 ACCELERATION CHECK. FOUND NR 1 & 2 ENGINES WITHIN ACCELERATION LIMITS. COULD NOT DUPLICATE FAULT AT TARGET SPEEDS. FOUND NO EEC FAULTS IN NR 1 OR 2 RECENT/FAULT HISTORY. COULD NOT DUPLICATE FAULT AT THIS TIME; FDR DATA SENT TO ENGINEERING FOR INVESTIGATION.;[02] ENGINEERING CONFIRMED VIA DFDR DATA BOTH ENGINES ARE OPERATING NORMALLY.

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