# SDR CALA2026072718037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2026
- Submitted: July 27, 2026
- Operation: Air carrier
- Aircraft: [N57868](https://openairdocs.org/aircraft/N57868), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32590
- Aircraft time: 70,192 hours, 21,565 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Warning Message
- Condition: False Activation
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026072718037

## Discrepancy

ON CLIMB OUT GOT C SYS LOW THEN CAME BACK TO NORMAL THEN GOT ANO THER CSYS LOW EICAS MSG REQUEST TO APPLY MEL 2933F.  VERIFIED CTR HYD RVSR LEVEL IS NORMAL & ASSOCIATE LOW SYS PRESS LT OPS NML MEL 2933F APPROVED, C HYD SYSTEM INDICATION INOP DDP C/W

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