Service difficulty report · Panel · Boeing 7377H4

Difficulty date
April 23, 2022
Submitted
May 3, 2022
Operation
Air carrier
Aircraft
N424WN
Make and model
Boeing 7377H4
Aircraft serial
29828
Aircraft time
66,349 hours, 39,132 cycles
Part
Panel
Condition
Cracked
Location
Fuselage
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 194HL HAS HOLE AND CRACK IN CENTER O/B SURFACE. / [01] PERFORMED TAP TEST AT PANEL 194HL FOUND NO DELAMINATION AND NO WATER ; NO CORE DAMAGE AS PER B737 NTM 51-05-01;[02] PREPARED FOR REPAIR 2 SMALL AREA AT PANEL 194HL CENTER O/B SURFACE AS PER B737 SRM 51-70-04-2R-1;[03] VERIFIED STEPS 1 AND 2. OK TO APPLY REPAIR.;[04] REPAIRED DAMAGE AREA AT PANEL 194HL CENTER O/B SURFACE ASPER B737 SRM 51-70-04-2R-1.MATERIAL USED BMS9-3-120TYD CL7 PO#1690463 PLUS EY3804 A/B PO#1753794.;[05] VERIFIED STEP 4. OK TO TOP COAT.;[06] APPLIED TOPCOAT TO REWORKED AREA IAW AMM 51-21-73-370-803.;[07] (FINAL) PERFORMED TAP TEST AT PANEL 194HL FOUND NO DELAMINATION AND NO WATER ; NO CORE DAMAGE AS PER B737 NTM 51-05-01. PREPARED FOR REPAIR 2 SMALL AREA AT PANEL 194HL CENTER O/B SURFACE AS PER B737 SRM 51-70-04-2R-1. REPAIRED DAMAGE AREA AT PANEL 194HL CENTER O/B SURFACE ASPER B737 SRM 51-70-04-2R-1.MATERIAL USED BMS9-3-120TYD CL7 PO#1690463 PLUS EY3804 A/B PO#1753794.;[08] VERIFIED STEP #6;[09] FINAL INSPECTION; HOLE AND CRACK REPAIR.

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