# SDR 05091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2005
- Submitted: November 10, 2005
- Operation: Air carrier
- Make and model: Boeing 747122
- Aircraft serial: 19753
- Aircraft time: 90,203 hours, 22,856 cycles
- Engine: Pwa JT9D7A
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 60B0025435
- Condition: Ruptured
- Location: Hydraulic Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/05091

## Discrepancy

LOST NR 1 HYD ON FINAL, ADP TURN OFF, EDP DEPRESSURIZED.  INSPECTED NR 1 HYD SYSTEM.  FOUND NR 1 ADP SUPPLY LINE RUPTURED.  REMOVED AND REPLACED NR 1 ADP SUPPLY LINE IAW  20-11-18.  OPS CHECK NR 1 HYD SYS.  LEAK CHECK GOOD.

---
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.