Service difficulty report · Intercostal · Boeing 7377BD

Difficulty date
July 20, 2024
Submitted
September 3, 2024
Operation
Air carrier
Aircraft
N7739A
Make and model
Boeing 7377BD
Aircraft serial
35110
Aircraft time
57,940 hours, 31,798 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 200
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 CUTOUT SURROUND STRUCTURE; INTERCOSTAL BS 303.9+8 S-6L HAS CRACK.<[01] HFEC INSPECTED FRAME AT BS 303.9+8' STR 6L PER 737NDT PART 6 51-00-00 PROCEDURE 23. FOUND CRACK ON EDGE OF EXISTING TRIM OUT. MARKED END OF CRACK WITH BLACK SHARPIE; CRACK MEASURES .130' IN LENGTH FROM EDGE. REMOVED CRACK BY 0.150' ON THE EXISTING TRIM OUT RADIUS AT BS 303.9+8' STR 6L IAW SRM 51-10-02. HFEC INSPECTED CUT-OUT AREA IAW 737 NDTM PART 6; 51-00-00 PROCEDURE 23.<BR>NO CRACKS NOTED.<BR>EQUIP USED: -NORTEC 600 ID: ATS2353 CAL DUE: 01/2025;[02] VERIFIED CORRECTIVE ACTION STEP 1.

More about the Boeing 737-7BD