Service difficulty report · Flap · Boeing 7378H4

Difficulty date
November 30, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N8312C
Make and model
Boeing 7378H4
Aircraft serial
38809
Aircraft time
37,318 hours, 17,422 cycles
Part
Flap
Part number
UNKNOWN
Condition
Debonded
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

CUSTOMER REQUEST - DEBONDED O/B AFT FLAP LOWER SURFACE I/B SIDE AT RT WING 2023-751415<[01] TOOL USED: CALIPER P/N: 600-464 S/N: B17030933 DUE DATE: 07-NOV-24.;[02] TOOL USED ULTRASONIC EQUIPMENT PN: EPOCH 650 ; SN: 190984811; DUE DATE: 24 JAN 24.;[03] TOOL USED: HOT BONDER P/N:HCS9200B-AV S/N:18185781 DUE DATE: 24-JAN-24.COATING THICKNESS GAUGE P/N:POSITECTOR 6000 NS3 S/N:767584 DUE DATE:21-AUG-24;[04] ULTRASONIC EQUIPMENT USED P/N: EPOCH 6LT; S/N: 230529908; DUE DATE: 22-AUG-24;[05] REPAIRED O/B AFT FLAP LOWER SURFACE I/B SIDE AT RT WING IAW B737-800 SRM 57-53-01-2R-16 REPAIR 16. THIS INTERIM REPAIR MUST BE INSPECTED BY TAP TEST EVERY 6;875 CYCLES OR 30 MONTHS. SEE INDIVIDUAL SIGNOFF BELOW.;[06] TASK COMPLETED. RII COMPLETED.

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