Service difficulty report · Web · Boeing 7377H4

Difficulty date
April 19, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N959WN
Make and model
Boeing 7377H4
Aircraft serial
36674
Aircraft time
38,285 hours, 23,370 cycles
Part
Web
Condition
Cracked
Location
Zn 100 Fus Lower
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

INTERNAL - HORIZONTAL PRESSURE DECK WEB STA 663 TO STA 675 - CRACK NOTED IN INSPECTION AREA RBL 39 TO RBL 60. MARKED LOCATION.<[01] VERIFY APPLICABILITY FOR THE BEADED PRESSURE DECK WEB REPAIR BETWEEN STA 663.75 AND STA 675 RBL 38 TO RBL 60 B737-700 SRM 53-40-51-2R-2 REPAIR 2 EFFECTIVITY: ALL;[02] REMOVED DAMAGE FROM BEADED PRESSURE DECK WEB BETWEEN STA 663.75 AND STA 675 RBL40 TO RBL60 PER B737-700 SRM 53-40-51-2R-2 REPAIR 2[16] INSTALLED NEW REPAIR PARTS FOR BEADED PRESSURE DECK WEB STA 663 TO STA 675 RBL60.00 TO RBL30 PER B737-700 SRM 53-40-51-2R-2 REPAIR 2. REQUIRE CAPSEAL SOME FASTENERS.;[17] VERIFIED CORRECTIVE ACTION 16 INSTALLATION;[18] CAPSEAL FASTENERS AND CIC REPAIR AREA PER B737-700 51-30-01 AND AMM 51-00-59/201.;[19] CAPSEALED FASTENERS AND CIC REPAIR AREA PER B737-700 AMM 51-31-00-390-805 AND AMM 51-00-59/201.;[20] VERIFIED CORRECTIVE ACTION STEPS 18 AND 19.;[21] UPDATED MEASUMENT TABLE... JOB COMPLETED;[22] VERIFIED CORRECTIVE ACTION 21; VERIFIED MEASUREMENT TABLE.

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