Service difficulty report · Floorbeam · Boeing 7377CT

Difficulty date
June 23, 2021
Submitted
July 12, 2021
Operation
Air carrier
Aircraft
N7823A
Make and model
Boeing 7377CT
Aircraft serial
32749
Aircraft time
61,112 hours, 30,940 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 294
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

CRACK AT FLOOR BEAM FASTENER HOLE BS 294.5 RBL 52.5 WL 208 ; / [01] REMOVED CRACK BY 1' X 1' TRIM OUT AT BS 294.5 RBL 52.5 WL208 PER SRM 51-10-02-0G-0; [02] VERIFIED REMOVED CRACK BY 1' X 1' TRIM OUT AT BS 294.5 RBL 52.5 WL208 PER SRM 51-10-02-0G-0; [03] REQUEST NDI TO PERFORM HFEC INSPECTION OF EDGE OF TRIM OUT TO VERIFY CRACK FREE CONDITION.; [04] HFEC INSPECTED TRIMMED EDGE OF DAMAGE CUTOUT PER 737NDT PART 6 51-00-00 PROCEDURE 23. NO CRACKS FOUND. CAL ID N500D IS000450; [05] INSTALLED E.W.I.S PROTECTION ON REPAIR AREA I.A.W AMM 20-60-07; [06] REMOVED DAMAGE PART OF THE UPPER CHORD APPROXIMATELY RBL 23-RBL60 BS294 WL208 I.A.W SRM 51-10-02-0G-0; [07] VERIFIED DAMAGE REMOVAL PER SRM 51-10-02-0G-0 AND EA 21-153-01789-WIP1; [08] VERIFIED COMPLETION OF REPAIR PER EA 21-153-01789; [09] VERIFIED COMPLETION OF REPAIR PER EA 21-153-01789.; [10] VERIFIED ALL STEPS COMPLETE.

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