Service difficulty report · Flap · Boeing 73779P

Difficulty date
September 26, 2023
Submitted
October 17, 2023
Operation
Air carrier
Aircraft
N7833A
Make and model
Boeing 73779P
Aircraft serial
30036
Aircraft time
57,956 hours, 37,763 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 WING O/B AFT FLAP I/B UPPER TRAILING EDGE TIP DELAMINATED DOT 223-LWAF2.<[01] FINAL STATEMENT: ACCOMPLISHED UT DISBOND INSP. ON UPPER SKIN AT LEFT WING O/B AFT I/B TRAILING EDGE IAW B737 NDT PART 1; 51-04-00 AND PART 4; 51-00-05. DISBOND NOTED; DAMAGE SIZE 6' X 8'. LEFT WING O/B AFT FLAP REINSTALLED ON TASK CARD TTG8Q00NNDR0.;[02] FINAL INSPECTION; VERIFIED STEP #1. DISBOND MATERIAL AREA BEYOND/EXCEEDED PERMITTED ALLOW DIMENSIONS. FLAP REINSTALLED ON TASK CARD TTG8Q00NNDR0.

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