Service difficulty report · Support · Boeing 7377H4

Difficulty date
June 1, 2023
Submitted
June 26, 2023
Operation
Air carrier
Aircraft
N295WN
Make and model
Boeing 7377H4
Aircraft serial
32541
Aircraft time
51,370 hours, 30,880 cycles
Part
Support
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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 BS 277-294; RBL 1; WL 208 IS CRACKED.<[01] VERIFIED APPLICABILITY PER SRM 53-10-51-1A-1 ALLOWABLE DAMAGE 1;[02] CRACKED PASSENGER CABIN FLOOR SUPPORT BS 277-294; RBL 1; WL 208 EXCEED ALLOWABLE LIMITS ON SRM 53-10-51-1A-1 ALLOWABLE DAMAGE 1 PAR 4.B SRM 51-10-02-0G-0 REPLACEMENT OF THE PART IS APPLICABLE;[03] REMOVED CRACKED PASSENGER CABIN FLOOR SUPPORT BS 277-294; RBL 1; WL 208 I.A.W SRM 51-40-02-0G-0;[04] VERIFIED CORRECTIVE ACTION STEPS 1-3.;[05] LOCATED AND DRILLED NEW FLOOR SUPPORT BS 277-294 RBL 1 WL 208 IAW SRM 51-40-02-0G-0. OK TO INSTALL REQUESTED.;[06] VERIFIED CORRECTION ACTION ITEM 5; OK TO INSTALL GIVEN.;[07] INSTALLED NEW FLOOR SUPPORT BS 277-294; RBL 1; WL 208 IAW SRM 51-40-02-0G-0; AND DOCUMENT NUMBER: 141A5400 DRW ID:0026 REV:-.;[08] VERIFIED CORRECTION ACTION ITEM 7; CARD COMPLETE.

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