Service difficulty report · Panel · Boeing 7377H4

Difficulty date
October 27, 2023
Submitted
November 20, 2023
Operation
Air carrier
Aircraft
N914WN
Make and model
Boeing 7377H4
Aircraft serial
36622
Aircraft time
51,132 hours, 31,028 cycles
Part
Panel
Part number
UNKNOWN
Condition
Bulged
Location
Zn 600 Right Win
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

R/H WING LOWER MID T/E ACCESS PANEL # 661CB HAS BULGING/CRACKED FASTENER HOLES THE CORRECT PANEL NUMBER IS 661BB<[01] ACCOMPLISHED PULSE-ECHO ULTRASONIC INSP. FOR DELAMINATION IAW B737 NDT PART 1; 51-01-02 AND PART 4;51-00-01. NO ADDITIONAL DAMAGE NOTED OTHER THAN FAULT DETAIL<BR>PERFORMED DRY OUT ON R/H WING LOWER MID T/E ACCESS PANEL # 661BB AS PER B737 SRM 51-70-04-2R-9 PARAG 4-B EQUIPMENT USED TEMPERATURE CONTROL ID 160354 DUE DATE 02-16-24; VACCUM GAGE ID 173239 DUE DATE 02-23-24.TOOL: EPOCH 650 B/C: 168106 DUE: 12/13/2023. PREPARED DAMAGED AREA FOR REPAIR ON R/H WING LOWER MID T/E ACCESS PANEL # 661BB AS PER B737 SRM 51-70-04-2R-9 PARAG 4-C. REPAIRED; R/H WING LOWER MID T/E ACCESS PANEL # 661CB; AS PER SRM 57-51-01-2R-1; MATERIAL USED PO.2040614 AND PO.1690463. PERFORMED ULTRASOUND INSP OF REPAIRED AREA USING CONTACT THROUGH TRANSMISSION ULTRASONIC; IAW B 737 NDT PART 1 51-01-01 & PART 4 51-00-02. NO DAMAGE FOUND. TOOL: EPOCH 650; BC 168106; CALIB DUE 12-13-23.;[02] CORRECTION TO STEP 1 CORRECT PANEL NUMBER :REPAIRED; R/H WING LOWER MID T/E ACCESS PANEL # 661BB; AS PER SRM 57-51-01-2R-1;[03] VERIFIED STEPS 1 AND 2

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