Service difficulty report · Blade · Boeing 747422

Difficulty date
December 2, 2016
Submitted
December 2, 2016
Operation
Air carrier
Aircraft
N118UA
Make and model
Boeing 747422
Aircraft serial
28811
Aircraft time
70,787 hours, 8,122 cycles
Engine
Pwa PW4056
Part
Blade
Condition
Missing
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
R
Precautionary procedure
A

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

What was found

NR 2 ENGINE COMPRESSOR STALL RIGHT AFTER TAKEOFF. LEVELE D OFF AT 8,000FT, MOVED THROTTLES FORWARD AND ENGINE STALLED AGA IN. ENGINE WAS SHUTDOWN BY CREW AND AIRCRAFT RETURNED TO FIELD. REPLACED ENGINE DUE TO MISSING 6TH STG COMPRESSOR BLADE. REF AMM 71-00-02 CONF 3, P401