Service difficulty report · Panel · Boeing 7378H4

Difficulty date
April 14, 2022
Submitted
May 2, 2022
Operation
Air carrier
Aircraft
N8321D
Make and model
Boeing 7378H4
Aircraft serial
36687
Aircraft time
31,939 hours, 14,343 cycles
Part
Panel
Part number
193CR
Condition
Delaminated
Location
Wing To Body
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

FAIRING PANEL 193CR DELAMINTAED FWD EDGE / [01] IDENTIFIED FAIRING PANEL 193CR IAW SRM 53-40-70-0I-1 FIGURE 2; SHEET 1; TABLE 2; ITEM 9.<BR><BR>DAMAGE NOTED IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-40-70-1A-1 PAR 4B(8). <BR><BR>REPAIR TO BE ACCOMPLISHED IAW SRM 51-70-05-2R-6 PER SRM 53-40-70-2R-1 PAR 4B(2).;[02] REMOVED DAMAGE FROM INNER AND OUTER SURFACE EDGEBAND ALONG FWD EDGE; CLEANED IAW SRM 51-70-05-2R-6 PAR 4A-D.;[03] VALIDATED REPAIR PER SRM 51-70-05-2R-6;[04] VERIFIED CORRECTIVE ACTIONS 1-3;[05] FABRICATED AND INSTALLED REPAIR PLIES MADE FROM BMS 8-79ST120 LOT#1488452-1; BMS 8-79ST1581 LOT#1482269-1 AND ADHESIVE BMS 5-129GR5 LOT#1483751-1 IAW SRM 51-70-05-2R-6 PARA 4E.;[09] APPLIED AND CURED BMS 10-21 TY III LOT#S21H278 CONDUCTIVE COATING USING THERMOMETER ID:ATS2208 S/N:4330740WS; CONDUCTIVITY TESTED GOOD USING MULTIMETER ID:ATS1658 S/N:34000350 IAW AMM 51-21-71-370-801 PAR 3D(1-4;7A).<BR><BR>REFINISHED PANEL IAW SRM 51-70-05-2R-6 PAR 4I AND AMM 51-21-99-300-802 PAR 3C(1).<BR><BR>COMPLETED SRM REPAIR 51-70-05-2R-6.;[10] VERIFIED CORRECTIVE ACTION STEP 9. VERIFIED MEASUREMENTS AND TASK COMPLETE.

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