SDR CALA2026032714860

Service difficulty report · Stiffener · Boeing 737724

Difficulty date: March 25, 2026
Submitted: March 27, 2026
Operation: Air carrier
Aircraft: N14735
Make and model: Boeing 737724
Aircraft serial: 28950
Aircraft time: 81,852 hours, 29,014 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Part number: 141A350487
Condition: Corroded
Location: Zone 200
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

STIFFENER CORRODED OUT OF LIMITS BETWEEN STA 227.8 AND STA 219.8 BL0. FABRICATED STIFFENER AT FWD E&E BETWEEN STA 227.8 TO STA 219.8, BL"0", REF. DRW 141A3504, AND STANDARD BAC5300, AND INSTALLATION ACCOMPLISHED ON AAR N/R S/N#100007959, AND EC/RA #5310-08847 REV. ORIGINAL. LP8319167.