Service difficulty report · Panel · Boeing 7377H4

Difficulty date
September 22, 2022
Submitted
November 9, 2022
Operation
Air carrier
Aircraft
N201LV
Make and model
Boeing 7377H4
Aircraft serial
29854
Aircraft time
59,586 hours, 35,374 cycles
Part
Panel
Condition
Pulled
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

FLOOR PANEL 232JF UPPER SURFACE HAS AN AREA OF PULLED STRANDS. / FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F.<BR>WILL BE PERFORMING REPAIRS IAW SRM 53-00-50-2R-7.<BR>REMOVED 13EA INSERTS. SANDED SMOOTH DAMAGED PLIES. CLEANED AND PREPARED PANEL SURFACE IAW SRM 53-00-50-2R-7 PARA 3.A-E.;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-7.;[03] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 1 AND 2.<BR><BR>VERIFIED MEASUREMENTS TABLE.;[04] FABRICATED REPAIR PLIES USING BMS 9-3 TY H2 LOT: 1502472-1 IAW SRM 53-00-50-2R-7 PARA 3.F.;[05] INSPECTED AND VERIFIED CORRECTIVE ACTION 4. OKAY TO INSTALL REPAIR PLIES PER 53-00-50-2R-7.;[06] INSTALLED PLIES USING BMS 8-201 TY 3 LOT: AK2EP8210K<BR>ASSEMBLED VACUUM BAG; CHECKED FOR LEAKS. LEAK CHECK IS GOOD USING VACUUM GAUGE ID:E11543 DUE: 09/2023 IAW SRM 53-00-50-2R-7 PARA 3.G.;[07] ADDITION TO CORRECTIVE ACTION 6: ALSO PARA 3.F(1).;[08] VERIFIED CORRECTIVE ACTIONS 6 AND 7;[09] SET PLIES TO CURE UNDER HEAT LAMP USING THERMOMETER ID: ATS2209 CAL DUE: 10/2022; TO MONITOR TEMPERATURE IAW SRM 53-00-50-2R-7 PARAGRAPH 3.G.(1) AND 3.H.(1);[10] CURED PLIES UNBAGGED AND INSTALLED REMOVED INSET USING BMS5-107 RESIN CLASS 1 LOT NUMBER AK1KP9159K; CURED RESIN UNDER A HEAT LAMP USING THERMOMETER ID: ATS2209 DUE: 10/2022; TO MONITOR THE TEMPERATURE OF THE BMS5-107 CURE; WORK PERFORMED IAW SRM 53-00-50-2R-7 PARAGRAPH 3.H.(1) AND I AND DRAWING 143A5810 SHEET 119;

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