What was found
NLG STEERING LOCKS IN BOTH LT & RT TURNS WITH GRINDING NOISE AND VIBRATION. [07-31-07] FOUND HYDRAULIC LINE TO NOSE STEERING METERING UNIT LEAKING. ROOT CAUSE UNKNOWN. FABRICATED REPLACEMENT HYDRAULIC LINE AND INSTALLED.
- Difficulty date
- July 10, 2007
- Submitted
- July 13, 2007
- Operation
- Air carrier
- Aircraft
- N398UA
- Make and model
- Boeing 737322
- Aircraft serial
- 24673
- Aircraft time
- 47,830 hours, 33,017 cycles
- Engine
- Cfmint CFM563C1
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Line
- Condition
- Leaking
- Location
- Hyd System
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.