# SDR UPS07549270

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2007
- Submitted: March 5, 2007
- Operation: Air carrier
- Aircraft: [N423UP](https://openairdocs.org/aircraft/N423UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25325
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Unknown
- Location: Left
- Stage of operation: NR
- 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/UPS07549270

## Discrepancy

INSPECTION TYPE:N/A DECLARED AN EMERGENCY & DIVERTED TO FWA AFTER RECEIVING LEFT HYD SYS IND.  COMPLY WITH REPETITIVE INSP PER MEL 29-33-2.  LEFT HYD QTY IND INOP / INTERMITTENT.  PLACED ITEM ON DEFERRAL PER MEL 29-33-2. M345299.  REMOVED AND REPLACED MONITOR UNIT HYD FLUID QTY PER M/M 29-33-51-4.  NO FAULTS.  THIS CLEARS DEFERRAL M345299.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
