Service difficulty report · Fairing · Boeing 7377H4

Difficulty date
June 18, 2024
Submitted
July 18, 2024
Operation
Air carrier
Aircraft
N476WN
Make and model
Boeing 7377H4
Aircraft serial
32475
Aircraft time
66,646 hours, 39,887 cycles
Part
Fairing
Condition
Delaminated
Location
Lt 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

FLAP TRACK # 2 FWD FAIRING 543AB HAS SOLID DELAMINATION @ EXTERIOR SKIN FASTENERS HOLES MKD DOT<[01] SUMMARY :PERFORMED PULSE-ECHO UT INSP FOR DELAMINATION.<BR>IAW B737 NDT PART 4; 51-00-01 & PART 1; 51-01-02.<BR>TOOL: EPOCH 600; B/C 19498 CAL. DUE: 03-25-2025.<BR>NO ADDITIONAL DAMAGE FOUND OTHER THAN FAULT DETAIL.PERFORMED DRY OUT ON FLAP TRACK # 2 FWD FAIRING 543AB AS PER B737 SRM 51-70-04-2R-9 PARAG 4-B TOOL USED: TEMP CONTROLLER ID160354 AND CALIBRATION DUE 03-07-25.PREPARED DAMAGE AREA FOR REPAIR ON FLAP TRACK # 2 FWD FAIRING 543AB AS PER B737 SRM 51-70-04-2R-9 PARAG 4-C.APPLIED PERMANEMT REPAIR ON DAMAGE AREA AS MARKED ON FLAP TRACK # 2 FWD FAIRING 543AB AS PER B737 SRM 51-70-04-2R-9 PARAG 4-D-M; MATERIAL USED PO#2061896; PO#1738579 AND TOOL USED: TEMP CONTROLLER ID160354; CALIBRATION DUE 03-07-25.PERFORMED ULTRASOUND INSPECTION OF REPAIRED AREA AND MINIMUM OF 6 INCHES ALL AROUND USING CONTACT THROUGH TRANSMISSION ULTRASONIC REF B737 NDT PT 1; 51-01-01; NDT PT4 51-00-02.

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