Service difficulty report · Warning System · Boeing 747422

Difficulty date
April 26, 2014
Submitted
April 30, 2014
Operation
Air carrier
Aircraft
N118UA
Make and model
Boeing 747422
Aircraft serial
28811
Aircraft time
60,816 hours, 7,167 cycles
Engine
Pwa PW4056
Part
Warning System
Condition
False Activation
Location
Thrust Reverser
Stage of operation
UK
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

REV 1 INTERLOCK EICAS STATUS MSG DISPLAYED. NR 1 ENG REVERSER INTERLOCK FAILURE. OPERATED NR 1 REV & INTER LOCK MSG CLEARED.