SDR CALA2025102110333

Service difficulty report · Skin · Boeing 737724

Difficulty date: October 17, 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: 113A37008
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

RIGHT WING, OUTBOARD FLAP, AFTER FLAP, INBOARD END, UPPER SKIN WITH DISBOND AREA 4 X 3 INCHES. CLEANED, PREPPED, REPAIRED AND RESTORED PAINT AT RH WING, OUTBOARD FLAP, AFTER FLAP, INBOARD END, UPPER 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.