Service difficulty report · Switch · Boeing 747422

Difficulty date
November 8, 2007
Submitted
December 19, 2008
Operation
Air carrier
Aircraft
N127UA
Make and model
Boeing 747422
Aircraft serial
28813
Aircraft time
33,174 hours, 4,060 cycles
Engine
Pwa PW4056
Part
Switch
Part number
94P10
Condition
Inoperative
Location
Nlg
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

TAKEOFF ABORTED AT 100KTS ON ACCT NOSE GEAR PRESSURE SWITCH INDICATION. NOSE GEAR PRESSURE SWITCH INOP. STAB TRIM POS IND MUST BE SET PROPERLY BEFORE EACH FLT. REPLACED NOSE GEAR PRESSURE SWITCH. PERFORMED FUNCTIONAL TEST, OK.