Service difficulty report · Panel · Boeing 7377H4

Difficulty date
March 17, 2022
Submitted
April 8, 2022
Operation
Air carrier
Aircraft
N922WN
Make and model
Boeing 7377H4
Aircraft serial
32461
Aircraft time
46,030 hours, 27,571 cycles
Part
Panel
Condition
Cracked
Location
Rt Wing
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

RIGHT WING PANEL 661AB INNER SEAL HAS SEVERAL HOLES SCREW CRACKED AT THE PANEL. / [01] CLEANED DAMAGE AREA FOR REPAIR PERFORMED DRY OUT ON R/W LOWER T/E PANEL #661AB; FOUND NO WATER AS PER B737 SRM 51-70-04-2R-9;[02] VERIFIED STEP # 1;[03] OK TO INSTALL REPAIR;[04] REPAIRED SEVERAL DAMAGE SCREW HOLES ON R/W LOWER T/E ACCESS PANEL #661AB WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-9;[05] PERFORMED TAP TEST ON REPAIRED AREA FOUND NO DELAMINATION AS PER B737 NDT 51-05-01 SECTION 5;[06] VERIFIED STEPS 4 AND 5. OK TO PRIME AND TOPCOAT.;[07] CLEANED AND REPAIRED SEVERAL DAMAGE SCREW HOLES ON R/W LOWER T/E ACCESS PANEL #661AB WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-9 ;PERFORMED TAP TEST ON REPAIRED AREA FOUND NO DELAMINATION AS PER B737 NDT 51-05-01 SECTION 5. PRIMED AND TOP COAT AREA AS PER AMM 51-21-99-300-802;[08] MEASUREMENTS;[09] VERIFIED 7 & 8

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