# SDR ABXA20260124027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2026
- Submitted: January 24, 2026
- Operation: Air carrier
- Aircraft: [N363CM](https://openairdocs.org/aircraft/N363CM), registered now
- Make and model: Boeing 767338
- Aircraft serial: 24853
- Aircraft time: 101,511 hours, 36,921 cycles
- Engine: Ge CF680C2B6
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: Pressure Switch
- Part number: 21SN04224
- Part serial: AA99118
- Condition: Malfunctioned
- Location: Rt Engine
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260124027

## Discrepancy

AFTER STARTING ENGINES DURING TAXI R OIL FILTER MSG CAME UP  A/C RETURNED TO THE GATE AND MTX GROUNDED A/C . MTX REPLACED R ENG SCAVENGE FILTER ELEMENT AND DIFFERENTIAL PRESSURE SWITCH IAW AMM 79-21-04 + 79-35-01 LEAK + OPS CHECK GOOD ACFT REMAINS ETOPS 180. RETURNED TO SERVICE.

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