Service difficulty report · Flap · Boeing 7378H4

Difficulty date
May 24, 2023
Submitted
June 19, 2023
Operation
Air carrier
Aircraft
N8669B
Make and model
Boeing 7378H4
Aircraft serial
36655
Aircraft time
26,834 hours, 12,722 cycles
Part
Flap
Part number
UNKNOWN
Condition
Delaminated
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

LEFT HAND WING OUTBOARD AFT FLAP IS DELAMINATED ON THE INBOARD END.<[01] REMOVED L/H WING; ' O/B AFT FLAP '; IAW AMM 27-51-22.;[02] ACCOMPLISHED INSTALLATION OF L/H WING; ' O/B AFT FLAP ' IAW AMM 27-51-22-400-801 UP TO AND INCLUDING STEPS 3. A;B;C;D;E; AND F. (1)-(4).;[03] STEP 2. OF ' CORRECTIVE ACTIONS' HAS INSUFFICIENT INFORMATION.<BR>SHOULD READ:<BR>ACCOMPLISHED INSTALLATION OF L/H WING; ' O/B AFT FLAP ' IAW AMM 27-51-22-400-801 UP TO AND INCLUDING STEPS 3. A;B;C;D;E; AND F. (1)-(4) (A)-(E)1)THRU 11).;[04] ACCOMPLISHED INSTALLATION OF L/H WING; ' O/B AFT FLAP ' IAW AMM 27-51-22-400-801 UP TO AND INCLUDING STEPS 3. A;B;C;D;E; AND F. (1)-(4) (A)-(E)1)THRU 11). C/W INSPECTION;[05] COMPLETED INSTALLATION AND ACCOMPLISHED RIG CHECK OF L/H WING; ' O/B AFT FLAP ' IAW AMM 27-51-22-400-801;[06] INSPECTED WORK PERFORMED

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