Service difficulty report · Fairing · Boeing 7377H4

Difficulty date
November 15, 2024
Submitted
December 17, 2024
Operation
Air carrier
Aircraft
N200WN
Make and model
Boeing 7377H4
Aircraft serial
32482
Aircraft time
66,145 hours, 39,621 cycles
Part
Fairing
Condition
Elongated
Location
Zn 100 Fus Lower
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

FUSELAGE CENTER LOWER AFT FAIRING 194E HAS SEVERAL OVERSIZED AND ELONGATED HOLES.<[01] INSTALLED A PERMANENT REPAIR TO DAMAGE FASTENERS HOLES AS MARKED ON LOWER AFT FAIRING #194E AS PER B737 SRM 51-70-04-2R-9 PARAG. 4 D-N AND SRM 51-70-04-2R-0 4 L-N MATERIALS USED PO#2615098 AND PO#1690463. TOOL USED HOT BONDER ID 160354 DUE DATE 3-7-25 AND VACUUM GAGE ID 175719 DUE DATE 5-7-25.;[02] SUMMARY.<BR><BR>1. PERFORMED PULSE-ECHO ULTRASONIC INSPECTION FOR DELAMINATION IAW B737 NDT PART 1;51-01-02 AND PART 4;51-00-01. DELAMINATION NOTED ON MARKED HOLES.<BR><BR>2. ACCOMPLISHED 24HR DRY OUT ON PANEL #194E PER B737 SRM 53-60-70-2R-1; SRM 51-70-04-2R-9; SRM 51-70-04-2R-0 PARAGRAPH 4.D.<BR><BR>3. PREPARED ELONGATED HOLES FOR REPAIR PER B737 SRM 53-60-70-2R-1; SRM 51-70-04-2R-9; SRM 51-70-04-2R-0 PARAGRAPH 4.E<BR><BR>4. INSTALLED A PERMANENT REPAIR TO DAMAGE FASTENERS HOLES AS MARKED ON LOWER AFT FAIRING #194E AS PER B737 SRM 51-70-04-2R-9 PARAG. 4 D-N AND SRM 51-70-04-2R-0 4 L-N<BR><BR>5. ACCOMPLISHED THROUGH-TRANSMISSION INSP ON REWORKED AREA.<BR>IAW B737 NDT PART 4; 51-00-02 & PART 1; 51-01-01.<BR><BR>6. APPLIED TOP COAT TO FUSELAGE CENTER LOWER AFT FAIRING 194E AS PER AMM 51-21-73-370-803;[03] VERIFIED RESTORED AREA PANEL 194E.

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