SDR CALA2026060216750

Service difficulty report · Skin · Boeing 737924ER

Difficulty date: June 1, 2026
Submitted: June 2, 2026
Operation: Air carrier
Aircraft: N45440
Make and model: Boeing 737924ER
Aircraft serial: 33535
Aircraft time: 52,790 hours, 18,878 cycles
System (JASC): 5753 · Trailing Edge Flaps
Part: Skin
Condition: Cracked
Location: Zone 600 Flap
Part time: 52,790 hours, 18,878 cycles
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

SUPPORT TASK: RH O/B AFT FLAP LOWER SKIN AT I/B TRACK HAS CRACK AT DRAIN HOLE.TRANSCRIBED FROM AAR GSO NRC 9282672. RECEIVED NEW RIGHT WING OTBD AFT FLAP ASSY PN#113A3700-24UAL FLAP ASSY REMOVED AND REPLACED ON AAR GSO NRC 9282690. AAR GSO MECH V896730 ALL MAINTENANCE WAS ACCOMPLISHED BY AAR/GSO. RECEIVED NEW RIGHT WING, OUTBOARD AFT FLAQP ASSY P/N 113A 3700-24UAL, P.O. # 1145828.1 FLAP AQSSY REMOVED & INSTALLED ON AAR NON-ROUTINE 22690.