Service difficulty report · Flap · Boeing 7378H4

Difficulty date
October 14, 2024
Submitted
November 20, 2024
Operation
Air carrier
Aircraft
N8328A
Make and model
Boeing 7378H4
Aircraft serial
38818
Aircraft time
38,574 hours, 18,242 cycles
Part
Flap
Condition
Debonded
Location
Zn 500 Left 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

CUSTOMER REQUEST - DEBONDED EXTERNAL SKIN OB AFT FLAP LOWER SURFACE IB SIDE AT LT WING 2024-645399<[01] TOOL USED: CALIPER P/N:500-197-30 S/N:B20189521 DUE DATE: 26-JAN-25;[02] STEP 3. TOOL USED ULTRASONIC EQUIPMENT PN: USM GO+ ; SN: USMGO11040089; DUE DATE: 21-MAY-25.;[03] TOOL USED; CALIPER PN: 500-197-30; SN: A18229508; DUE DATE: 14-JAN-25 ;HOT BONDER PN: HCS9200B-AV; SN: 18185733; DUE DATE: 25-JAN-25.;[04] TOOL USED HOT BONDER P/N: HCS9200B-AV S/N: 18185781 DUE DATE: 15 FEB 25.;[05] TOOL USED STEP 15: ULTRASONIC EQUIPMENT; P/N: BONDMASTER 6004; S/N: 220052310; DUE DATE: 17 NOV 24.;[06] REPAIRED OB AFT FLAP LOWER SURFACE IB SIDE AT LT WING IAW B737-800 SRM 57-53-01-2R-16 REPAIR 16. SEE INDIVIDUAL SIGN OFFS BELOW.;[07] CORRECTIVE ACTION #6 ENTER BY ERROR<BR><BR>THE CORRECT CORRECTIVE ACTION IS:<BR><BR>REPAIRED OB AFT FLAP LOWER SURFACE IB SIDE AT LT WING IAW B737-800 SRM 57-53-01-2R-16-REPAIR 16. (REPAIR 16 - OUTBOARD AFT FLAP TRAILING EDGE WEDGE ASSEMBLY REPAIR - TAP TEST EVERY 6;875 CYC OR 30 MONTHS - INTERIM REPAIR ). SEE INDIVIDUAL SIGN OFFS BELOW.;[08] JOB TASK COMPLETED. RII INSPECTION COMPLETED.

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