Service difficulty report · Floorbeam · Boeing 757251

Difficulty date
October 7, 2024
Submitted
October 9, 2024
Operation
Air carrier
Aircraft
N551NW
Make and model
Boeing 757251
Aircraft serial
26498
Aircraft time
58,814 hours, 25,824 cycles
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

SHIP 5651 CABIN FLOORBEAM AT STA 365.25 RBL 20 HAS TWO FASTENER HOLES WITH CORROSION. CORRECTIVE ACTION: REMOVED CORROSION FROM TWO FASTENER HOLES IN CABIN FLOOR BEAM AT STA 365.25 RBL 20 IAW B757 SRM 51-10-02. EVALUATED TWO FASTENER HOLES IN CABIN FLOOR BEAM AT STA 365.25 RBL 20, FOUND AREA TO BE OUT OF LIMITS AND NO DAMAGE TO PREVIOUS REPIARS ALLOWED IAW B757 SRM 53-00-51-1A, SRM 51-10-02 AND BA C 1518-338.REV C REMOVED AND REPLACED PREVIOUS TEE CAP REPAIR FROM BL O TO RBL6 5 STA 365.25 IAW B757 SRM 51-40-02 AND B757 SRM 53-00-51-2R REPAIR 3. (0596635)