Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
June 21, 2024
Submitted
July 23, 2024
Operation
Air carrier
Aircraft
N252WN
Make and model
Boeing 7377H4
Aircraft serial
34973
Aircraft time
59,332 hours, 35,662 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 100
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

FWD ENTRY DOORWAY; BS 294.5 STR 16L; INTERCOSTAL CRACKED AT THE IB RADIUS; MARKED.<[01] NDT HFEC INSPECTED SURFACE PER 737 NDTM PART 6; 51-00-00; PROC 23; .400' CRACK NOTED. DIRECTION MARKED.<BR><BR>EQUIP ID ATS2353 DUE 01/25;[02] VERIFIED STEPS 3;4 COMPLETE; STEP 5 IN PARTIAL.;[03] REMOVED AND REPLACED FITTING (INTERCOSTAL) LOCATED AT FORWARD ENTRY DOOR; BS 294.5 STR16L IAW B-737-700 SRM 51-40-02 DWG#141A8180 REV: C.;[04] VERIFIED ACTION 3.<BR>JOB COMPLETE.

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