Service difficulty report · Frame · Boeing 7377H4

Difficulty date
April 10, 2023
Submitted
May 17, 2023
Operation
Air carrier
Aircraft
N958WN
Make and model
Boeing 7377H4
Aircraft serial
36673
Aircraft time
38,993 hours, 23,664 cycles
Part
Frame
Condition
Cracked
Location
Zn 200 Fus Top
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

FRAME BS 312 CRACKED IN RADIUS; AT UPPER DOOR THRESHOLD STR 5 LH<[01] REMOVED DAMAGE IAW SRM51-10-02-OG.;[02] VERIFIED CORRECTION ITEM 1.;[03] REQUEST NDI FOR HFEC SERVICE SCAN TO VERIFY CRACK FREE CONDITION AT CUT OUT.;[04] HFEC INSPECTED CUTOUT AREA IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23.<BR>NO CRACKS NOTED.<BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS1465 CAL DUE: 09/23;[05] OK TO APPLY CHEMICAL CONVERSION AND PRIMER;[06] VERIFIED CORRECTION ITEM 5; OK TO APPLY CHEMICAL CONVERSION AND PRIMER.;[07] APPLIED CHEMICAL CONVERSION AND PRIMER IAW SRM 51-20-01-0G-0 & AMM 51-21-72-370-804;[08] VERIFIED CORRECTION ACTION ITEM 7; MEASURENT TABLE; COMPLETE.

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