Service difficulty report · Angle · Boeing 7377H4

Difficulty date
November 18, 2021
Submitted
December 6, 2021
Operation
Air carrier
Aircraft
N206WN
Make and model
Boeing 7377H4
Aircraft serial
34011
Aircraft time
52,876 hours, 31,083 cycles
Part
Angle
Condition
Cracked
Location
Horizontal Stab
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT HAND HORIZONTAL STABILIZER INSPAR RIB AT STABILIZER STATION 120.30 4TH VERTICAL STIFFENER IS CRACKED. ; / [01] CUT AND REMOVED DAMAGE FROM 4TH VERTICAL STIFFENER AND WEB ON HORIZONTAL STAB. RIB AT STAB STA. 120.30; [02] CORRECTED CORRECTIVE ACTION 1. WORK ACCOMPLISHED IAW SRM 55-10-09-2R4.; [03] CERTIFIED CORRECTION.; [04] VERIFIED CORRECTIVE ACTION 1-2 FOR DAMAGE REMOVAL ON LH HORIZ STAB RIB; [05] EDDY CURRENT INSPECTED DAMAGE TRIM OUT AND SURROUNDING AREA IN ACCORDANCE WITH 737 NDT MANUAL PART 6; 51-00-00 PROCEDURE 23. NO CRACKS FOUND. EDDY CURRENT INSPECTED OPEN HOLES COMMON TO THE REPAIR AREA IN ACCORDANCE WITH 737 NDT MANUAL PART 6; 51-00-00 PROCEDURE 16. NO CRACKS FOUND.<BR><BR>TOOL I.D. ATS729 (OLYMPUS NORTEC 500)<BR>S.N. N500X10629S091205<BR><BR>TOOL I.D. ATS2407 (OLYMPUS MINIMITE ROTARY SCANNER)<BR>S.N. MM15391DD064104; [06] FABRICATED REPAIR ANGLE FROM BAC1490-2793#7075T62;.063'; LOT#1464923-1; REPAIR 'T' FROM 60-5872#7075T76511;.063';LOT#1463116-1;SHIMS FROM 7075T6;.063' LOT#1351319-2 IAW SRM 55-10=09-2R-4; PARA 4.;

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