Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
September 12, 2023
Submitted
September 26, 2023
Operation
Air carrier
Aircraft
N250WN
Make and model
Boeing 7377H4
Aircraft serial
34972
Aircraft time
56,923 hours, 34,364 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Pulled
Location
Zn 100 Fus Lower
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

DOT A24-3 MID CABIN FLOOR PANEL 231XF HAS MULTIPLE PULLED COMPOSITE FIBERS ON UPPER SURFACE.<[01] BONDTEST IAW B737 NDT PART 4; 51-00-05. NO DEFECTS NOTED. TOOL#40082; DUE 10OCT23<BR>UT IAW B737 NDT 4; 51-00-03. NO DEFECTS NOTED. TOOL#36285; DUE 16DEC23. REF EA 23-153-02790-WIP1 STEP 2;[02] EVALUATED PANEL 231XF AND FOUND AREA OF PULLED FIBERS ON UPPER SURFACE. FOUND TO BE REPAIRABLE. IAW B737-700 SRM 53-00-50-2R-1 PAR 1A. CLEAN AND PREP. IAW B737-700 SRM 53-00-50-2R-1 PAR 3A; C; E&F. VERIFIED MATERIALS AS: BMS 8-201 (A197641); BMS 9-3 (A178073). IAW B737-700 SRM 53-00-50-2R-1 TABLE 201. NEED OK TO BOND.;[03] VERIFIED STEPS 1 AND 2 C/W AND OK TO BOND GRANTED;[04] BONDED REPAIR. IAW B737-700 SRM 53-00-50-2R-1 PAR 3 K-M.;[05] REPAIRED UPPER SURFACE ON PANEL 231XF. IAW B737-700 SRM 53-00-50-2R-1; SRM 53-00-50-2R-0.;[06] REFER TO FAULT TTG8Q00NDBZJ WHERE EA 23-153-02790 WAS ADDED AS A SUBTASK.;[07] VERIFIED STEPS 4-6.<BR>AUDIT C/W.

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