SDR DALA2025081105965

Service difficulty report · Support Beam · Boeing 737932ER

Difficulty date: August 7, 2025
Submitted: August 11, 2025
Operation: Air carrier
Aircraft: N869DN
Make and model: Boeing 737932ER
Aircraft serial: 31980
Aircraft time: 27,256 hours, 10,638 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Support Beam
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

(LOG 1130808) MULTIPLE AREAS OF CORROSION ALONG LENGTH OF AFT CARGO RH FLOORBOARD TO SIDEWALL TRANSITION SUPPORT BEAM. REMOVED TRANISTION BEAN SECTION FROM STA 727I TO STA 767, FABRICATED NEW TRANSITION BEAM AND INSTALLED. REMOVED TRANSITION BEAM AND INSTALLED , TREATED, PRIMED, AND APPLIED CIC TO BOTH SECTIONS IAW B737-900 SRM 53-00-53, 51-40-05, 51-40-05, 51-20-01, 53-00-53, AMM 51-21-91.