SDR CALA2023110803307

Service difficulty report · Floorbeam · Boeing 737724

Difficulty date: November 3, 2023
Submitted: November 8, 2023
Operation: Air carrier
Aircraft: N13718
Make and model: Boeing 737724
Aircraft serial: 28937
Aircraft time: 76,392 hours, 27,739 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 147A5506
Condition: Corroded
Location: Sta 986.5
Stage of operation: IN
How discovered: O
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

CORROSION ON AFT WET AREA FLOOR BEAM AT STA 986.5 BTW RBL44 TO L BL44 (REF. AAR NR 99989260) REPAIRED FLOOR BEAM AT AFT WET AREA STA 986.5 BETWEEN RBL44 TO 51-00-00 BAC 5000 (SFR # 1034213) LBL44, ALL WORK PERFORMED IAW B737-700 SRM 53-70-51-2R-4. 51-10-02-0G-01, 57-70-51-1A-1, 51-40-02-0G-0, 51-40-05-0G-0, AMM 20-60-07-913-801, BOEING SOPM 20-10-03, 20-30-03, 20-41-02, NDTM