# SDR P5CA9800738

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N857FT
- Make and model: Boeing 747132
- Aircraft serial: 20246
- System (JASC): [2911 · Hydraulic Power Accumulator, Main](https://openairdocs.org/jasc/2911)
- Part: Accumulator
- Part number: 26604725
- Condition: Ruptured
- Location: Nr 4 Hyd Syst
- Stage of operation: LD
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA9800738

## Discrepancy

DURING APPROACH, AFTER GEAR DOWN LOST NR 4 HYD SYSTEM, 0 BRAKE PRESSURE ON GUAGE.  HYD BRAKE ACCUMULATOR RUPTURED, DAMAGE TRIM AIR DUCT, APU FUEL DRAIN LINE, HYD LINE DAMAGE.

---
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.
