Service difficulty report · Support · Boeing 7377H4

Difficulty date
June 12, 2019
Submitted
March 10, 2022
Operation
Air carrier
Aircraft
N285WN
Make and model
Boeing 7377H4
Aircraft serial
32536
Aircraft time
41,428 hours, 24,654 cycles
Part
Support
Part number
143A524036
Condition
Cracked
Location
Cabin Floor
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; RH FLOOR PANEL SUPPORT AT FWD END OF PANEL 231XF IS CRACKED AT INBOARD END STA 540 RBL2; MARKED. / REMOVED PASSENGER CABIN FLOOR SUPPORT STA 540 RBL 2 IAW SRM 51-40-02-0G-0. VERIFIED NEW FLOOR SUPPORT PART NUMBER 143A5240-36 IAW DWG 143A5240 SHEET 14 REV - ATAG #WN1222. LOCATED AND DRILLED NEW FLOOR SUPPORT PANEL BREAK IAW SRM 51-40-05-0G-0 AND DWG 143A0060 SHEET 46 REV - INSTALLED FLOOR SUPPORT PANEL BREAK IAW SRM 51-40-02-0G-0 AND DWG 143A0060 SHEET 46 REV - APPLIED CIC IAW AMM 51-21-91-620-802.

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