# SDR TSAA0629097

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2006
- Submitted: November 9, 2006
- Operation: Air carrier
- Aircraft: [N835AL](https://openairdocs.org/aircraft/N835AL), registered now
- Make and model: Boeing 737-2P6
- Registry model: [Boeing 737-2P6](https://openairdocs.org/model/boeing-737-2p6) (OpenAirDocs)
- Aircraft serial: 21613
- Aircraft time: 29,982 hours, 18,965 cycles
- Engine: Pwa JT8D15
- System (JASC): [2930 · Hydraulic Indicating System](https://openairdocs.org/jasc/2930)
- Part: Transmitter
- Part number: ST107R
- Part serial: 14907
- Condition: Failed
- Location: Hyd System
- Stage of operation: CL
- 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/TSAA0629097

## Discrepancy

NON-ETOPS FLT 68 HNL-ITO: DURING CLIMB, THE CREW NOTED THAT THE HYDRAULIC A-SYSTEM PRESSURE GAUGE READ 800 PSI.  THE CREW RETURNED TO FIELD AND LANDED IN WITHOUT FURTHER INCIDENT. MAINTENANCE PLACED THE HYDRAULIC A-SYSTEM PRESSURE INDICATION ON MEL 29-3-1. AIRCRAFT WAS RETURNED TO SERVICE. DURING OVERNIGHT, MAINTENANCE REPLACED THE HYDRAULIC A-SYSTEM PRESSURE TRANSMITTER IAW AMM 29-31-11. PERFORMED OPERATIONAL AND LEAK CHECK WITH NO DEFECTS NOTED. MAINTENANCE CLEARED MEL 29-3-1. AIRCRAFT WAS RETURNED TO SERVICE.

---
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.