# SDR UIEA2022080500815

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2022
- Submitted: August 8, 2022
- Operation: Air carrier
- Aircraft: [N492MC](https://openairdocs.org/aircraft/N492MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29253
- Aircraft time: 99,442 hours, 17,104 cycles
- System (JASC): [2911 · Hydraulic Power Accumulator, Main](https://openairdocs.org/jasc/2911)
- Part: Pressure System
- Part number: 60B0025435
- Part serial: NSN
- Condition: Low Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A, J
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022080500815

## Discrepancy

AFTER T/O "HYD QTY 1" EICAS MSG, SHORTLY AFTER "HYD SYS 1"(<P>FOUND #1 ADP PRESSURE HOSE LEAKING. R/R #1 ADP PRESSURE HOSE PER AMM 20-11-18. PERFORMED LEAK CHECK, NO LEAKS NOTED PER AMM 29-11-17. SERVICED HYD SYS #1 PER AMM 12-12-01.</P>)

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