Service difficulty report · Flap · Boeing 7377H4

Difficulty date
April 7, 2025
Submitted
April 9, 2025
Operation
Air carrier
Aircraft
N444WN
Make and model
Boeing 7377H4
Aircraft serial
29839
Aircraft time
71,806 hours, 42,678 cycles
Part
Flap
Condition
Delaminated
Location
Zone 600
Stage of operation
IN
How discovered
V
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

RH OUTBOARD AFT FLAP (PN: 113A3700-20; SN: 997) UPPER SKIN DELAMINATION AT INBOARD EDGE <[01]. REMOVED R/H O/B AFT. FLAP PER AMM 27-51-22; [02] OK TO INSTALL NEW FLAP; [03] INSTALLED RH OB AFT FLAP PER AMM 27-51-22.; [04] INSTALLED RH OB AFT FLAP PER AMM 27-51-22.; [05] INSTALLED RH O/B AFT FLAP PER AMM 27-51-22. RIG AND OPS CHECKS GOOD PER AMM 27-51-22.; [06] VERIFIED INSTALLED RH O/B AFT FLAP PER AMM 27-51-22. RIG AND OPS CHECKS GOOD PER AMM 27-51-22.

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