# SDR UIEA2022090800941

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2022
- Submitted: September 8, 2022
- Operation: Air carrier
- Aircraft: [N451PA](https://openairdocs.org/aircraft/N451PA), registered now
- Make and model: Boeing 747
- Aircraft serial: 30809
- Aircraft time: 90,541 hours, 15,302 cycles
- System (JASC): [2920 · Hydraulic System, Auxiliary](https://openairdocs.org/jasc/2920)
- Part: None
- Part number: 285U0032202
- Part serial: D02184
- Condition: None
- Stage of operation: LD
- How discovered: O
- Nature of condition: G, J, N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022090800941

## Discrepancy

HYD PRESS SYS 1 STATUS MESSAGE(<P>PER FIM MESSAGE 29038, REPLACED #1 HYDIM CIRCUIT CARD A20 IAW AMM 29-11-42-004-001. OPS CHECK GOOD, NO FAULTS NOTED</P>)

---
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.
