Service difficulty report · Fan · Boeing 76734AF

Difficulty date
October 22, 2022
Submitted
October 25, 2022
Operation
Air carrier
Aircraft
N339UP
Make and model
Boeing 76734AF
Aircraft serial
37859
Aircraft time
31,248 hours, 10,950 cycles
Engine
Ge CF680C2B6F
Part
Fan
Condition
Vibration
Location
Lt Engine
Stage of operation
CL
How discovered
O
Nature of condition
E
Precautionary procedure
A

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

What was found

ATB, DURING CLIMBOUT LEFT ENGINE N2 FAN VIBE DISPLAYED 5.0 WITH SIGNIFICANT VIBRATION AND NOISE ON FLIGHT DECK. CONFIRMED BIRDSTRIKE TO LEFT ENGINE. REF LOGPAGE 41181 ITEM2 AND LOGPAGE 411882 ITEM 1 FOR REQUIRED INSPECTIONS.BLENDED BLADES #27 & 28 IAW AMM 72-31-02-308. REPAIRED MISSING WIRE MESH PER AMM 78-31-00. PER BORO OF B1-6 SECTION. ALL COMPRESSOR VANES CK OK.RE-INSTALLED L/H ENG FAN ROTOR SPINNER IAW AMM 72-31-01. REPAIRED DAMAGE PER AMM 78-31-00. OK FOR SER. R/R UPPER 02 BOTTLE PER AMM 12-15-08. OPS TEST & LK CK GOOD AT THIS TIME. ORIG SUBMISSION DATE: 10/24/2022

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