What was found
INTERMITTENT RATCHING NOISE RETURNED ON TAXI OUT BETWEEN DOORS 1L AND 2L. REPLACED NOSE STEERING METERING VALVE PER MM, CHECKED OK.
- Difficulty date
- January 7, 2013
- Submitted
- February 8, 2013
- Operation
- Air carrier
- Aircraft
- N127UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28813
- Aircraft time
- 53,664 hours, 6,276 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3251 · Steering Unit
- Part
- Metering Valve
- Part number
- 60B002107
- Part serial
- 2490E
- Condition
- Failed
- Location
- Nlg Steering
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.