SDR CALA2018032901050

Service difficulty report · Floor Support · Boeing 757222

Difficulty date: March 28, 2018
Submitted: April 23, 2018
Operation: Air carrier
Aircraft: N598UA
Make and model: Boeing 757222
Aircraft serial: 28751
Aircraft time: 71,203 hours, 18,658 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146N5447
Condition: Corroded
Location: Bs 1343.5-1445.6
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

AFT CARGO FLOOR SUPPORT, RBL 16.1 BETWEEN BS 1343.5 AND 1445.6, CORRODED AT MULTIPLE AREAS, ON BOTH UPPER AND LOWER SURFACES, REMOVED THE CORROSION IAW SRM 51-10-02, AND SRM 53-60-53.FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53, AD 1, DETAIL 5. REMOVED AND REPLACED THE FLOOR SUPPORT IAW DWG 146N5390.