SDR CALA2026092819925

Service difficulty report · Support Fitting · Boeing 737724

Difficulty date: September 14, 2026
Submitted: September 28, 2026
Operation: Air carrier
Aircraft: N14704
Make and model: Boeing 737724
Aircraft serial: 28765
Aircraft time: 86,715 hours, 31,780 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support Fitting
Part number: 147A7443Y18
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

STRUCTURE COMMON TO THE AFT DRAIN MAST FOUND CORRODED ON INTERNAL SUPPORT FITTING. PEFORMED INTERIM REPAIR ON FUSELAGE AFT DRAIN MAST SUPPORT FITTING IAW EO 260459, REV P1, EO 260459 REV P2, EO 260459, REV IR & EC/RA 5300-03395, REV ORIG.