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
143A524035
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 FLOOR PANEL SUPPORT AT FWD END OF PANEL 231XF IS CRACKED AT INBOARD END STA 540 LBL2; MARKED. / REMOVED CABIN FLOOR PANEL SUPPORT OF FWD END OF PANEL 231XF STA 540 BL0 TO LBL23 IAW SRM 51-40-02-=0G-0. VERIFIED NEW FLOOR SUPPORT PART # 143A5240-35 ATAG# GI1659 IAW DWG 143A0060 SHEET 36 REV A. LOCATED AND DRILLED FLOOR SUPPORT IAW SRM 51-40-05-0G-0 AND DWG 143A0060 SHEET 36 REV A. INSTALLED NEW FLOOR SUPPORT IAW SRM 51-40-02-0G-0 AND DWG 143A0060 SHEET 36 REV A. APPLIED CIC IAW AMM 51-21-91-620-802.

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