Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
August 8, 2024
Submitted
September 5, 2024
Operation
Air carrier
Aircraft
N930WN
Make and model
Boeing 7377H4
Aircraft serial
36636
Aircraft time
50,251 hours, 30,483 cycles
Part
Floor Support
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

PASSENGER CABIN FLOOR SUPPORT CRACKED AT F.S. 540 RBL 25' W.L. 208. (DOT 51-014) PASSENGER CABIN FLOOR SUPPORT CRACKED AT F.S. 540 LBL 25' W.L. 208. (DOT 51-014)<[01] REMOVED FLOOR PANEL 231VF FOR ACESS REF AMM 53-21-00-000-801<BR>LOCATED AND DRILLED MAIN CABIN FLOOR SUPPORT BREAK ASSY AT<BR>FS 540 LBL 25' W.L. 208. REF SRM 51-40-02-0G-0<BR>AND DRW #143A5240<BR>PERFORMED COUNTERSINK INSP AND ROTO INSP. ON EXISTING HOLES IAW B737 NDT P. 6; 53-30-00 PROC. 3. NO CRACKS. EQUIP: NORTEC 600 B/C 166317 CAL DUE: 11/24<BR>LOCATED AND DRILLED AND INSTALLED MAIN CABIN FLOOR SUPPORT BREAK ASSY AT<BR>FS 540 LBL 25' W.L. 208. REF SRM 51-40-05-0G-01<BR>AND DRW #143A5240<BR>INSTALLED FLOOR PANEL 231VF FOR ACESS REF AMM 53-21-00-000-801<BR>TOOL USED I/D: 176021; S/N :15880; DUE :04-DEC-2024;[02] VERIFIED STEP1.

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