SDR DALA2025062304668

Service difficulty report · Floor Support · Boeing 757232

Difficulty date: June 20, 2025
Submitted: June 23, 2025
Operation: Air carrier
Aircraft: N6711M
Make and model: Boeing 757232
Aircraft serial: 30483
Aircraft time: 77,106 hours, 30,100 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
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

SHIP 6711 CORROSION ON FLOOR SUPPORT BEAM AND ANGLE BTW. STA. 1660 TO 1680 AND LBL.56 AT L4 DOOR LOWER SILL ALSO CORROSION ON FLOOR SUPPORT BEAM BTW. STA. 1640 TO 1660 AND RBL .56 AT R4 DOOR LOWER SILL REA OF PASSENGER CABIN. CORRECTIVE ACTION: SUMMARY OF NRC 00471, CORROSION LEVEL 2: FLOOR SUPPORT BEAM AND ANGLE BTW. STA. 1660 TO 1680 AND LBL.56 ALSO ON FLOOR SUPPORT BEAM BTW. STA. 1640 TO 1660 AND RBL.56 WERE REPLACED PER B757- 200 SRM 51-40-05-0GB757-200 AND SRM 51-40-02-0G. PAR 7. (1036345)