# SDR UALA2009020200350

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2009
- Submitted: February 4, 2009
- Operation: Air carrier
- Aircraft: [N799UA](https://openairdocs.org/aircraft/N799UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26926
- Aircraft time: 47,647 hours, 7,043 cycles
- Engine: Pwa PW40903
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Condition: Leaking
- Location: Lt Mlg Ww
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009020200350

## Discrepancy

LT MLG WHEEL WELL CENTER SYSTEM FLIGHT CONTROL HYDRAULIC PRESSURE TUBE ASSY 272W4591-129 UPPER B-NUT LEAKING FLUID.  ATTEMPTED TO TIGHTEN, NO HELP.  B-NUT IS JUST AFT OF LT INBOARD FLAP, INBOARD CARRIAGE ASSY AND JUST INBOARD OF PANEL 193HL.  REPLACED HYD LINE.  LEAK CHECKED GOOD.  CHECKED & SERVICED HYDRAULIC SYSTEM.

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