# SDR P5CA2024051200008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2024
- Submitted: May 13, 2024
- Operation: Air carrier
- Aircraft: [N858GT](https://openairdocs.org/aircraft/N858GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37569
- Aircraft time: 53,795 hours, 8,421 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Condition: Ruptured
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2024051200008

## Discrepancy

HYD PRESS SYS 4 EICAS.  #4 HYD QTY 40%(<P>INSPECTION FOUND #4 HYDRAULIC RETURN FLEX LINE IN THE R/H HORIZONTAL STABILIZER, CLOSE TO THE R/H INBOARD ELEVATOR PCU HAD RUPTURED. REMOVED THE DAMAGED LINE. INSTALLED TEMPORARY FLEX LINE, WITH RE-INSPECTION DUE EVERY 25 FC, AND PERMANENT REPAIR DUE AT NEXT "A" CHECK IN ACCORDANCE WITH GMM 3.24.1.</P>)

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