Service difficulty report · Flap · Boeing 7378H4

Difficulty date
October 26, 2022
Submitted
November 23, 2022
Operation
Air carrier
Aircraft
N8657B
Make and model
Boeing 7378H4
Aircraft serial
42535
Aircraft time
26,643 hours, 12,489 cycles
Part
Flap
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 WING O/B AFT FLAP HAS LARGE AREA OF DELAMINATION LOCATED ON UPPER AND LOWER SURFACE OF INBOARD END. / [01] OK TO INSTALL SERVICEABLE FLAP;[02] REMOVED AND REPLACED L/H O/B AFT FLAP IAW AMM 27-51-22;[03] VERIFIED CORRECTIVE ACTION STEP #2;[04] VERIFIED CORRECTIVE ACTION STEP #2;[05] REMOVED AND REPLACED L/H O/B AFT FLAP IAW AMM 27-51-22;[06] VERIFIED CORRECTIVE ACTION #5

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