Service difficulty report · Panel · Boeing 7377H4

Difficulty date
May 22, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N244WN
Make and model
Boeing 7377H4
Aircraft serial
34864
Aircraft time
53,556 hours, 31,861 cycles
Part
Panel
Part number
194E
Condition
Delaminated
Location
Wtb
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

WTB FAIRING 194E HAS EXTERIOR COMPOSITE DELAM. (MARKED RED DOT 237-1) / [01] CLEANED DAMAGE AREA; CUT OUT DAMAGE SIZE .500' DIA. NO CORE DAMAGE; PERFORMED DRY OUT ; FOUND NO WATER AS PER B737 SRM 51-70-04-2R-1;[02] VERIFIED STEP 1. OK TO APPLY REPAIR.;[03] REPAIRED SMALL DAMAGE ON OUTER SKIN FAIRING PANEL 194E WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-1 MATERIALS USED PO#1690463AND PO#1753794;[04] PERFORMED TAP TEST ON REPAIRED AREA; FOUND NO DELAMINATION AS PER B737 NDT 51-05-01 SECTION (5);[05] VERIFIED STEP 3 AND 4. OK TO TOPCOAT.;[06] PRIMED AND TOP COAT AS REQUIRED ON WTB FAIRING 194E REF B737-700 AMM 51-21-72-370-804 AND AMM 51-21-73-370-803;[07] VERIFIED STEP 6

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