SDR CALA2025102110338

Service difficulty report · Skin · Boeing 737724

Difficulty date: October 18, 2025
Submitted: October 21, 2025
Operation: Air carrier
Aircraft: N23721
Make and model: Boeing 737724
Aircraft serial: 28940
Aircraft time: 82,807 hours, 30,549 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Part number: 113A37000
Condition: Delaminated
Location: Zone 500
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

LH WING, OUTBOARD FLAP, AFTER FLAP, INBOARD END, LOWER SKIN WITH 3 DISBOND AREAS, 7 X 11 INCHES, 4X 1 INCHES AND 1 X 1 INCH. CLEANED, PREPPED, REPAIRED AND RESTORED PAINT AT LH WING, OUTBOARD FLAP, AFTER FLAP, INBOARD END, LOWER SKIN IAW SRM 57-53-01-2R-16, SRM 51-70-10-2R-0, AMM 51-21-41-370-802, AMM 51-21-72-370-804 AND AMM 51-21-99-300-801.