Service difficulty report · Panel · Boeing 7377H4

Difficulty date
February 12, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N289CT
Make and model
Boeing 7377H4
Aircraft serial
36633
Aircraft time
50,940 hours, 30,659 cycles
Part
Panel
Condition
Torn
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

FWD CABIN FLOOR PANEL 222DF HAS A TORN OUT FASTENER HOLE ON THE O/B EDGE<[01] IDENTIFIED FLOOR PANEL 222DF MATERIAL IAW SRM 53-00-50-0I-1 FIG. 2 TABLE 2. DAMAGE AT DISCREPANT LOCATION EXCEEDS ALLOWABLE DAMAGE LIMITS AND REQUIRES A PERMANENT REPAIR IAW SRM 53-00-50-1A-1 PARAGRAPH 4.F. DAMAGE IS REPAIRABLE PER SRM 53-00-50-2R-1.<BR> <BR>REMOVED DAMAGED SKIN AT DISCREPANT LOCATION MEASURING 1.0 X 2.0. CLEANED; AND REQUESTING OKAY TO APPLY POTTING IAW SRM 53-00-50-2R-1 PARAGRAPH 3.C-F.;[02] VALIDATED REPAIR PER SRM 53-00-50-2R-1;[03] VERIFIED ITEMS 1;2 CORRECTIVE ACTIONS. OKAY TO APPLY POTTING IAW SRM 53-00-50-2R-1 PARAGRAPH 3.C-F.;[04] APPLIED POTTING COMPOUND BMS5-28 TY19 LOT#AK2JP8366K TO EXPOSED CORE IAW SRM 53-00-50-2R-1 PARAGRAPH 3.G;[05] CURED POTTING; SANDED FLUSH; CLEANED REPAIR AREA AND FABRICATED REPAIR PIES FROM BMS9-3 STYLE 1581 LOT NUMBER 1513216-1 IAW SRM 53-00-50-2R-1 PARAGRAPH 3.H-J AND K.(1).(A) OK TO INSTALL REPAIR PLIES.;[06] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 1 THRU 5.<BR><BR>VERIFIED MEASUREMENTS TABLE.;[07] INSTALLED PLIES WITH BMS8-201 TYPE III LOT NUMBER AK2EP8210K VACUUM BAGGED PLIES AND VERIFIED A SATISFACTORY 5X5 USING VACUUM GAUGE ID: E11543 DUE: 09/2023 IAW SRM 53-00-50-2R-1 PARAGRAPH 3.K.(1).(B-C) AND L.(1).

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