Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
April 7, 2021
Submitted
April 28, 2021
Operation
Air carrier
Aircraft
N443WN
Make and model
Boeing 7377H4
Aircraft serial
29838
Aircraft time
60,053 hours, 35,289 cycles
Part
Support Angle
Condition
Cracked
Location
Lt 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 FRONT SPAR WEB SUPPORT ANGLE LOC. FWD BOOST PUMP APPROX 120 IFSS AT LT WING / REPLACED SUPPORT ANGLE LOC ON FRONT SPAR WEB FWD BOOST PUMP BETWEEN IFSS 110 TO IFSS 30 AT LT WING IAW B737-700 SRM 57-20-10-1A-3 ALLOWABLE 3 STEP 2.C.7(B) AND DRAWING 116A3001 REV SEE DEFECT NO.L200921 FOR INSTALLATION

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