Service difficulty report · Panel · Boeing 7377H4

Difficulty date
October 7, 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
Corroded
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

PANEL #241AEF; HAS CORRODED INSERTS AND EDGE DAMAGE / REMOVED DELAMINATED SKIN PLIES; REMOVED SURFACE CONTAMINANTS; PREPARED REPAIR AREA APPLICATION OF POTTING COMPOUND/REPAIR PLIES; AND CLEANED REPAIR AREA; ALL ACCORDING TO SRM 53-00-50-2R-1; PARA'S 3.A; AND 3.C THRU 3.F.<BR><BR>REMOVED 5EA DAMAGED INSERTS ACCORDING TO SRM 53-00-50-2R-1; PARA. 3.B.<BR><BR>REQUEST OK TO APPLY POTTING COMPOUND TO EXPOSED AREAS OF CORE.APPLIED BMS 5-28; TY 19 POTTING COMPOUND (LOT# AK2DP3091K) TO AREAS OF EXPOSED CORE ACCORDING TO SRM 53-00-50-2R-1; PARA. 3.G.POTTING COMPOUND MIX TIME: 14:00; 10/7/2022 CURED POTTING COMPOUND; SANDED SMOOTH TO INITIAL SURFACE; CLEANED REPAIR AREAS AND FABRICATED REPAIR PLIES USING BMS 9-3ST1581 LOT#1502472-1 IAW SRM 53-00-50-2R-1 PARA 3.H-K.<BR>USED THERMOMETER ID:ATS2208 CAL DUE 10/2022INSTALLED PLIES WITH BMS8-201 LOT NUMBER AK2EP8210K; VACUUM BAGGED AND VERIFIED SATISFACTORY 5X5 USING VACUUM GAUGE ID: ATS2797 DUE: 10/2023; WORK PERFORMED IAW SRM 53-00-50-2R-1 PARAGRAPH 3.K.(1).(B-C) AND L.(1); CURED PLIES WITH A HEAT LAMP USING THERMOMETER ID: ATS1776 DUE: 08/2023 IAW SRM 53-00-50-2R-1 PARAGRAPH 3.M.(1);[10] UN-BAGGED REPAIR; TRIMMED EXCESS MATERIAL; INSTALLED (5EA) THROUGH INSERTS USING BMS5-107 LOT#AK1IA5938A; CURED INSERTS UNDER HEAT LAMP USING THERMOMETER ID: ATS2208 DUE:10/2022 IAW SRM 53-00-50-2R-1 PAR.3 N<BR><BR>PANEL 241AEF WITH CORRODED INSERTS AND EDGE DAMAGE HAS BEEN REPAIRED IAW SRM 53-00-50-2R-1;[

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