# SDR HNAA2011071400205

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2011
- Submitted: July 14, 2011
- Operation: Air carrier
- Aircraft: N933HA
- Make and model: Dhav DHC8102
- Aircraft serial: 134
- Aircraft time: 57,315 hours, 63,704 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: B-Nut
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: K
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2011071400205

## Discrepancy

NR 1 HYD SYS LOST CONTENTS AFTER TAKEOFF.  RETURNED TO FIELD.  NR1 ENGINE MANUALLY SHUTDOWN NO MORE THAN 8 MINUTES AFTER LOSS.  FOUND NR 1 EDP PRESSURE LINE "B" NUT LOOSE UNDER PANEL 412DT.  RETORQUE "B" NUT, SERVICED NR 1 HYD, SYS CHECKED GOOD.  REINSTALLED PANEL 412DT, SEALED AND RII COMPLIED WITH. CASE DRAIN FILTER INSP REVEALED NO METAL PARTICLES IAW -8, MM 05-50-53.

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