Service difficulty report · Angle · Boeing 7377CT

Difficulty date
February 8, 2023
Submitted
March 20, 2023
Operation
Air carrier
Aircraft
N566WN
Make and model
Boeing 7377CT
Aircraft serial
32753
Aircraft time
67,249 hours, 34,782 cycles
Part
Angle
Condition
Cracked
Location
Zn 500 Left Wing
Stage of operation
IN
How discovered
9
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

CRACK ANGLE FRONT SPAR WEB LOC FUEL BOOST PUMP IFSS 120 APPROX AND WBL 94.24 AT LT WING 2023-106289<[01] REPLACED ANGLE FRONT SPAR WEB LOC FUEL BOOST PUMP IFSS 120 APPROX AND WBL 94.24 AT LT WING IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG #112A2004 SHEET 5 REV -. AND DWG #116A3001 SHEET 11 REV -. MEASURE OF CRACK IS: L= 0.615? TOOL USED: S/N: 500-197-30; S/N: A21043111 DUE DATE: 30/JUN/23. SEE INDIVIDUAL SIGNSOFF BELOW.;[02] CORRECTIVE ACTION 1 <BR>REPLACED ANGLE FRONT SPAR WEB LOC FUEL BOOST PUMP IFSS 120 APPROX AND WBL 94.24 AT LT WING IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG #112A2004 SHEET 5 REV -. AND DWG #116A3001 SHEET 11 REV -. MEASURE OF CRACK IS: L= 0.615? TOOL USED: S/N: 500-197-30; S/N: A21043111 DUE DATE: 30/JUN/23. PERFORMED LEAK CHECK ON FUEL BOOST PUMP IFSS 120 APPROX AND WBL 94.24 AT LT WING IAW B737-700 AMM-28-11-00-210-801 STEP 8.B; NOT LEAK FOUND. SEE INDIVIDUAL SIGNSOFF BELOW.;[03] CERTIFIED AS RII <BR>REPLACED ANGLE FRONT SPAR WEB LOC FUEL BOOST PUMP IFSS 120 APPROX AND WBL 94.24 AT LT WING IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG #112A2004 SHEET 5 REV -. AND DWG #116A3001 SHEET 11 REV -. MEASURE OF CRACK IS: L= 0.615? TOOL USED: S/N: 500-197-30; S/N: A21043111 DUE DATE: 30/JUN/23. PERFORMED LEAK CHECK ON FUEL BOOST PUMP IFSS 120 APPROX AND WBL 94.24 AT LT WING IAW B737-700 AMM-28-11-00-210-801 STEP 8.B; NOT LEAK FOUND. SEE INDIVIDUAL SIGNSOFF BELOW.

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