Service difficulty report · Case · Boeing 7673BG

Difficulty date
August 26, 2025
Submitted
September 26, 2025
Operation
Air carrier
Aircraft
N566NC
Make and model
Boeing 7673BG
Aircraft serial
30566
Aircraft time
78,361 hours, 20,248 cycles
Engine
Pwa PW4060
Part
Case
Condition
Gouged
Location
Nr 1 Engine
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

21421 #1 ENG FAN CASE HAS A GOUGE ON THE V-GROOVR AT 3 O'CLOCK POISTION DOT 012001. REMOVED DAMAGE ON #1 ENG FAN CASE V-GROOVE AT 3 O'CLOCK POSITION WAS FOUND WITHIN LIMITS PER B767 AMM 72-34-07 STEP 2 E TABLE 801 REMOVED 0.090 DEPTH MAX ALLOWED 0.125".

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