Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
June 25, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
39,596 hours, 24,067 cycles
Part
Floor Support
Condition
Cracked
Location
Bs 380-400
Stage of operation
IN
How discovered
V
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

CRACKED FLOOR SUPPORT UPPER ANGLE BS 380-400 LBL 13 WL 208. ; / [01] REMOVED FLOOR SUPPORT UPPER ANGLE BS380-400 LBL1; WL 208 PER SRM 51-40-02-0G-0; [02] LOCATED/DRILLED FLOOR SUPPORT UPPER ANGLE BS380-400 LBL13; WL 208 PER SRM 51-40-05-0G-0 AND DWG 143A5400. OK TO INSTALL; [03] REMOVED FLOOR SUPPORT UPPER ANGLE BS380-400 LBL13; WL 208 PER SRM 51-40-02-0G-0; [04] CERTIFIED REMOVED FLOOR SUPPORT UPPER ANGLE BS380-400 LBL13; WL 208 PER SRM 51-40-02-0G-0 AND LOCATED/DRILLED FLOOR SUPPORT UPPER ANGLE BS380-400 LBL13; WL 208 PER SRM 51-40-05-0G-0 AND DWG 143A5400. OK TO INSTALL.; [05] UPDATED MEASUREMENT TABLE.; [06] VERIFIED LOCATE & DRILL OF FLOOR SUPPORT UPPER ANGLE BS380-400; LBL13; WL 208 PER SRM 51-40-05-0G-0 AND DWG 143A5400. OK TO INSTALL GIVEN.; [07] INSTALLED FLOOR SUPPORT UPPER ANGLE BS380-400 LBL13; WL 208 PER SRM 51-40-05-0G-0 AND DWG 143A5400.; [08] CERTIFIED INSTALLED FLOOR SUPPORT UPPER ANGLE BS380-400 LBL13; WL 208 PER SRM 51-40-05-0G-0 AND DWG 143A5400.; [09] VERIFIED REPLACEMENT OF FLOOR SUPPORT UPPER ANGLE; BS 380-400; LBL 13; WL 208 PER SRM 51-40-02 AND DWG 143A5400; [10] VERIFIED COMPLETION OF ALL STEPS.

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