- Difficulty date
- September 12, 2023
- Submitted
- September 14, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36648
- Aircraft time
- 46,080 hours, 28,196 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
L/H WING OUTBOARD AFT FLAP IS DELAMINATED ON UPPER INBOARD SURFACE. DELAMINATING IS 6.50 LONGITUDINALLY; 5.25 LATERALLY; 1.25 AWAY FROM TRAILING EDGE AND 1.25 AWAY FROM INBOARD EDGE.<[01] REMOVED AND REPLACED OUTBOARD AFT FLAP IAW B737 AMM 27-51-22. COMPLETE UP TO STEP 3.F. (5) (G). NEXT STEP FLAP ADJUSTMENT .;[02] REMOVED/REPLACED LH WING OUTBOARD AFT FLAP PER AMM 27-51-22. PERFORMED ADJUSTMENT REF AMM 27-51-22.