# SDR CALA2025101009905

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2025
- Submitted: October 10, 2025
- Operation: Air carrier
- Aircraft: [N66056](https://openairdocs.org/aircraft/N66056), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29451
- Aircraft time: 95,997 hours, 13,605 cycles
- Engine: Ge CF680C2B7F
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Pressure Switch
- Part number: 21SN04333
- Part serial: CFL4522BA
- Condition: Faulted
- Location: Nr 2 Eng Fuel
- Part time: 8,448 hours, 1,192 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025101009905

## Discrepancy

R ENG FUEL FILT MSG AFTER LEVEL OFF... ALL OTHER ENG INDICATION NORMAL REF FIM 73-11 FAULT TREE 803 T/SHOOTING,   R/H FUEL FILTER REPLACED AS PER AMM 73-11-02 NIL FINDINGS , REPLACEMENT OF FUEL FILTER DIFFERENTIAL TRANSMITTER REQUIRED. FUEL PX SWITCH R & R IAW AMM 73-34-01-024-001. NO LEAKS EVIDENT POST RUN AND NO MAINTENANCE MESSAGES

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