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 #241ADF; HAS CORRODED INSERTS; AND EDGE DAMAGE / REMOVED DELAMINATED SKIN PLIESAPPLIED 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. <BR><BR>AREAS REQUIRE ELEVATED TEMPERATURE CURE.<BR><BR>POTTING COMPOUND MIX TIME: 14:00; 10/7/2022;[05] VERIFIED CORRECTIVE ACTION ITEM 4. 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. INSTALLED 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.(1CURED PLIES WITH A HEAT LAMP USING THERMOMETER ID: ATS1776 DUE: 08/2023 IAW SRM 53-00-50-2R-1 PARAGRAPH 3.M.(1)CURED BLIND INSERTS POTTING COMPOUND ACCORDING TO SRM 53-00-50-2R-1; PARA. 3.N; AND SRM 53-00-50-2R-0; PARA'S 5.S.(2).(G) AND (H).<BR><BR>HOT BOND CONSOLE ID: ATS2802; DUE: 10/2023;[14] INSTALLED AND CURED 20EA. THRU INSERTS USING BMS 5-107; CL 1 ADHESIVE (LOT# AK1KP9159K) ACCORDING TO SRM 53-00-50-2R-1; PARA. 3.N; SRM 53-00-50-2R-0; PARA'S 5.S.(1).; AND DWG# 147A5810; SHEET#14<BR><BR>REPLACED MISSING/REMOVED SKYFLEX NON-STICK TAPE WITH NEW TAPE (LOT# 1459689-1) ACCORDING TO DWG# 147A5810; SHEET#14; E-CODE E6634.<BR><BR>THERMOMETER ID: ATS2208; DUE: 10/2022<BR><BR>REPAIRS COMPLETED ACCORDING SRM 53-00-50-2R-1.

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