Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
July 7, 2022
Submitted
August 18, 2022
Operation
Air carrier
Aircraft
N202WN
Make and model
Boeing 7377H4
Aircraft serial
33999
Aircraft time
58,974 hours, 35,001 cycles
Part
Floor Panel
Part number
221CF
Condition
Pulled
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

FWD FLOOR PANEL 221CF UPPER SURFACE HAS AREAS OF PULLED STRANDS. / [01] IDENTIFIED PANEL MATERIAL IAW SRM 53-00-50-0I-1 FIG 6 TABLE 6.<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F.<BR>DAMAGE WILL BE REPAIRED IAW SRM 53-00-50-2R-1.<BR>REMOVED ALL INSERTS TO FACILITATE REPAIR IAW SRM 53-00-50-2R-1 PARA 3.B<BR>REMOVED DAMAGED UPPER SURFACE SKIN AND LOOSE PIECES OF CORE; CLEANED REPAIR AREA IAW SRM 53-00-50-2R-1 PARA 3C-F.;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-1.;[03] VERIFIED CORRECTIVE ACTION #1; 2;[04] APPLIED POTTING TO EXPOSED CORE USING BMS 5-28TY19 LOT#AK2AP8108K IAW SRM 53-00-50-2R-1 PARA 3.G.;[05] CURED POTTING COMPOUND; SANDED SMOOTH TO SURFACE AND FABRICATED REPAIR PLIES USING BMS 9-3H2 LOT#1493221-1 IAW SRM 53-00-50-2R-1 PARA 3H-K.<BR>OK TO INSTALL<BR>USED THERMOMETER ID:ATS2208 CAL DUE 10/2022;[06] VERIFIED CORRECTIVE ACTION #5;[07] INSTALLED REPAIR PLIES USING BMS 8-201TY4 LOT#1482288-1; VACUUM BAGGED; LEAK CHECK GOOD WITH VACUUM GAUGE ID:ATS2545 CAL DUE 08/2022 IAW SRM 53-00-50-2R-1 PARA 3K-L.;[08] VERIFIED CORRECTIVE ACTION #7<BR>VERIFIED MEASUREMENTS;[09] CURED REPAIR; UNBAGGED AND TRIMMED EXCESS MATERIAL; INSTALLED INSERTS USING BMS 5-107 LOT#AK1KP9159K IAW SRM 53-00-50-2R-1 PARA 3M;N AND BOEING DWG 141A5810-9.<BR>USED THERMOMETER ID:ATS2208 CAL DUE 10/2022;[10] VERIFIED CORRECTIVE ACTION #9;[11] JOB COMPLETE

More about the Boeing 737-7H4