Service difficulty report · Frame · Boeing 737*

Difficulty date
February 16, 2022
Submitted
March 1, 2022
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 737*
Aircraft serial
33859
Aircraft time
59,572 hours, 35,384 cycles
Part
Frame
Condition
Cracked
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

BS 312 FRAME CRACKED AT STR 5L / [01] REQUEST NDI FOR END OF CRACK;[02] HFEC INSPECTED AND VERIFIED CRACK; PER NDTM PT6 51-00-00 PROCEDURE 23; END OF CRACK MARKED WITH RED;[03] EQUIP ID FOR CORRECTIVE ACTION 2; ATS729;[04] UPDATED MEASUREMENT FIELD;[05] REMOVED DAMAGED AREA 0.3'X 1.0' PER SRM 51-10-02-0G-0;[06] VERIFIED CORRECTIVE ACTIONS STEP 5.;[07] REQUEST NDI TO PERFORM HFEC INSP OF TRIMED EDGE FOR CRACK FREE CONDITION;[08] HFEC INSPECTED TRIMMED EDGE OF DAMAGE CUTOUT PER 737NDT PART 6 51-00-00 PROCEDURE 23. NO CRACKS FOUND. TOOL N500 ATS729.;[09] REMEASURED DAMAGE TRIM OUT FOR SUBMITTAL TO ENGINEERING AND FOUND DIMENSIONS TO BE:<BR>A: 0.250'<BR>B: 0.200';[10] VERIFIED CORRECTIVE ACTION 9. CORRECT MEASUREMENTS OF DAMAGE TRIM OUT ARE A: 0.250' <BR>B: 0.200';[11] REPAIRED BS 312 FRAME AT STR 5L AS PER EA 22-153-00527;[12] VERIFIED ALL ITEMS COMPLETED. REPAIRED PERFORMED PER 22-153-00527-WIP1 (N469WN - ATS(PAE) - REPAIR - BS 312 FRAME INNER CHORD BETWEEN S-5L AND S-6L) TTG8Q00AY1KQ;[13] VERIFIED ALL ITEMS COMPLETED. REPAIRED PERFORMED PER 22-153-00527-WIP1 (N469WN - ATS(PAE) - REPAIR - BS 312 FRAME INNER CHORD BETWEEN S-5L AND S-6L) TTG8Q00AY1KQ