# SDR FDEA201507142232

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2015
- Submitted: July 15, 2015
- Operation: Air carrier
- Aircraft: [N923FD](https://openairdocs.org/aircraft/N923FD), registered now
- Make and model: Boeing 757204
- Aircraft serial: 26266
- Aircraft time: 629 hours, 23,047 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Part number: 251N401611
- Condition: Damaged
- Location: Module
- Stage of operation: TX
- How discovered: O
- Nature of condition: K
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201507142232

## Discrepancy

LEFT HYD LEAK AFTER LANDING.  FOUND O RING TORN ITEM 175 ON FLAP SLAT DEPRESSURIZATION MODULE UNION STEEL ITEM 171 REFER IPC27-51-29-01.  REPLACED O RING IAW AMM CHP 20-10-19-04-0.  SERVICED LT HYD SYS IAW AMM CHP 12-12-01-3.  NO NOSE WHEEL STEERING ON TAXI IN, SYS DROPPED TO 0.22 HYD QTY.  ACFT HAD TO BE TOWED IN.

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