Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
June 18, 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 Panel
Condition
Chafed
Location
Cabin
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

PANEL 193AL MATING SURFACE IS CHAFED. / [01] IDENTIFIED PANEL 193AL IAW SRM 53-40-70-0I-1.FIG2; ITEM[7]. FOUND DAMAGE ALONG I/B EDGE ON INNER SURFACE TO BE BEYOND ALLOWABLE LIMITS IAW SRM 53-40-70-1A-1.PARA 4.B.(6). REQUIRES REPAIR PER SRM 51-70-05-2R-6 IAW SRM 53-40-70-2R-1.TABLE 202.<BR>REMOVED DAMAGED PLIES FROM APPROX. 28'X18' DAMAGED AREA IAW SRM 51-70-05-2R-6.PARA 4.A-D.; [02] VALIDATED APPLICABILITY OF SRM 51-70-05-2R-6 IAW SRM 53-40-70-2R-1.; [03] INSPECTED AND VERIFIED DAMAGE IS BEYOND LIMITS AND DAMAGE REMOVAL PER SRM 53-40-70-1A-1 AND SRM 51-70-05-2R-6; [04] FABRICATED REPAIR PLIES FROM BMS8-139 ST120 LOT#1460986-1; BMS8-139 ST1581 LOT#1457262-2; BMS5-154 TY2 GR05 LOT#1448775-8. INSTALLED; VACUUM BAGGED; CHECKED FOR LEAKS. LEAK CHECK GOOD. SET TO CURE USING HEATCON ID:ATS532 S/N:15092117 IAW SRM 51-70-05-2R-6.PARA 4.E-G; [05] CURED REPAIR PLIES; UNBAGGED; LIGHTLY SANDED. REQUEST NDI FOR POST CURE IAW SRM 51-70-05-2R-6.PARA 4.G-I.; [06] VERIFIED REPAIR CURED AND PREPPED FOR NDI INSPECTION PER SRM 51-70-05-2R-6.PARA 4.G-I.; [07] VERIFIED CORRECTIVE ACTION #4; [08] UT INSPECTED REPAIR PER NDTM PART 4; 51-00-02. NO DISBONDS NOTED.<BR>CAL ID: ATS2031 S/N: 170515011; [09] REFINISHED IAW SRM 51-70-05-2R-6.PARA 4.I.; [10] FINAL INSPECTED PANEL. JOB COMPLETE.

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