SDR DALA2025061604533

Service difficulty report · Floorbeam · Boeing 757232

Difficulty date: June 13, 2025
Submitted: June 16, 2025
Operation: Air carrier
Aircraft: N6711M
Make and model: Boeing 757232
Aircraft serial: 30483
Aircraft time: 77,106 hours, 30,100 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
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

IN REFERENCE NRC 00474 CORROSION OVER FLOORBEAM TEE AT BS 1640, LBL 15 TO RBL 15. AREA OUT LIMITS IAW SRM 53-00-51-1A, PROCEDURE 1, ALLOWABLE DAMAGE 1, NOTE B, DETAIL III. CORROSION LEVEL 2: FLOORBEAM TEE WAS REPLACED IAW SRM 53- 00-51-2R, PROCEDURE10, REP.10.