Service difficulty report · Blades · Boeing 767322

Difficulty date
April 17, 2007
Submitted
May 16, 2007
Operation
Air carrier
Aircraft
N663UA
Make and model
Boeing 767322
Aircraft serial
27160
Aircraft time
60,909 hours, 9,970 cycles
Engine
Pwa PW4060
Engine time
60,886 hours, 9,155 cycles
Part
Blades
Condition
Damaged
Location
Nr 1 Engine
Part time
60,886 hours, 9,156 cycles
Stage of operation
TO
How discovered
O
Nature of condition
C
Precautionary procedure
C

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

What was found

BIRD STRIKE TO NR 1 ENGINE. ACCOMPLISHED BOROSCOPE INSP OF NR 1 ENG HPC 5TH, 6TH, 10TH AND 11TH STG BLADES PER MM 72-00-00. FOUND 1 EA 6TH STG BLADE WITH LARGE TEAR IN AREA C OF L/E BEYOND FLYBACK LIMITS, 18 EA 10TH STG BLADES WITH DAMAGE BEYOND LIMITS IN AREA B AND C, AND 2 EA 11TH STG BLADES WITH LARGE TEARS BEYOND LIMITS IN AREA C. BY- 41440: REMOVED ENG 717676 & REPLACED. COMPLETED VERIFICATION FLIGHT & ENGINE TESTED GOOD.