Service difficulty report · Fan Blades · Boeing 7373S3

Difficulty date
December 13, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N314AW
Make and model
Boeing 7373S3
Aircraft serial
23733
Engine
Ge CFM563B1
Part
Fan Blades
Part number
9527M99P09
Condition
Curled
Location
Engines 1/2
Stage of operation
CR
Nature of condition
C
Precautionary procedure
O

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

What was found

SMF-PHX - FLT NR 555 - CREW REPORTED, ICE INGESTED INTO BOTH ENGINES AT CRUISE, 19,000 FEET. CONTRACT MX REPORTED NR 1 ENGINE WITH 8 FAN BLADES CURLED 2 TO 3 INCHES IN LENGTH WITH MID-ACOUSTIC PANELS DAMAGED MESH APPROX 80 PERCENT WITH DEEP GOUGES. NR 2 ENGINE HAD 13 FAN BLADES CURLED 2 TO 3 INCHES AND SEVERAL BLADES WITH MINOR DAMAGE. MID-ACOUSTICS PANELS MINOR DAMAGE APPROX 75 PERCENT. CONTRACT MX PERFORMED AVM INTERROGATION AND FAXED RESULTS. MAINTENANCE TECHNICIANS SENT OUT TO REPLACE FAN BLADES AND ACOUSTIC PANELS PER POWERPLANT ENGINEERING. BORESCOPED BOTH NR 1 AND NR 2 ENGINES, BOOSTER AND HPC. NO DEFECTS NOTED. COMPLIED MPA RUNS ON BOTH ENGINES AND TRIM BALANCE. (M)

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