Service difficulty report · Door Frame · Boeing 7377H4

Difficulty date
June 23, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
39,596 hours, 24,067 cycles
Part
Door Frame
Condition
Damaged
Location
Fwd Door Area
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 DOOR MAIN FRAME DAMAGED IN 3 EA PLACES ALONG AFT UPPER EDGES (ALL MARKED) ; / [01] REMOVED DAMAGE ON FED MAIN FRAME BS344 LBL56 WL283 0.750'X0.500';BS344 LBL58 WL280 0.500'X0.0500' AND BS344 LBL60 WL270 1.250'X0.250' I.A.W SRM 51-10-02-0G-0 AND SRM 52-10-02-1A-1 PAR 4.B(2) FIG 103 ALLOWABLE DAMAGE 1; [02] VERIFIED DAMAGE REMOVAL.; [03] ET INSPECTED BLENDS AND HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23 AND PROCEDURE 16; NO CRACKS NOTED.<BR>UT INSPECTED BLENDS IAW 737 NDTM PART 4 51-00-00 PROCEDURE 2; LOWEST THICKNESS = 0.058'<BR><BR>CAL ID ATS1465 N600<BR>CAL ID ATS2031 E650; [04] LIMIT STATEMENT; DAMAGE ON FED MAIN FRAME BS344 LBL56 WL283 FOUND TO BE OUT LIMITS ORIGINAL MATERIAL THICKNESS IS 0.071' REMAINING MATERIAL THICKNESS IS 0.058' PER SRM 51-10-02-0G-0 AND SRM 52-10-02-1A-1 PAR 4.B(2) FIG 103 ALLOWABLE DAMAGE 1 DETAILS A;B;C;D AND F; [05] REQUESTED ENGINEERING FOR REPAIR INSTRUCTIONS; [06] COMPLETED STEPS 1-13 EA 21-152-1862 TTG8Q005QH7V; [07] COMPLETED REPAIR PER EA 21-152-01862; [08] VERIFIED CORRECTIVE ACTION #7

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