SDR CALA2026052116434

Service difficulty report · Shield · Boeing 737924ER

Difficulty date: May 19, 2026
Submitted: May 22, 2026
Operation: Air carrier
Aircraft: N45440
Make and model: Boeing 737924ER
Aircraft serial: 33535
Aircraft time: 52,790 hours, 18,878 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Shield
Condition: Corroded
Location: Zone 100
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

FWD CARGO DOOR CUTOUT AFT OF DOOR TRANSITION STRIP HAS SEVEREAL AREAS OF CORROSION. REMOVED CORROSION FROM FWD CARGO AFT SHIELD, ORIGINAL MATERIAL 0.032, MAT REMOVED 0.020, REMAINING THICKNESS IN BLENDED AREA MEASURED .012, FOUND OUT OF LIMITS IAW SRM 53-00-53. REMOVED AND REPLACED WITH NEW SHIELD IAW SRM 51-40-02 AND BAC DWG 143A0080 REV-.