SDR CALA2018020900530

Service difficulty report · Floor Support · Boeing 757222

Difficulty date: February 8, 2018
Submitted: February 9, 2018
Operation: Air carrier
Aircraft: N598UA
Make and model: Boeing 757222
Aircraft serial: 28751
Aircraft time: 71,018 hours, 18,621 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 143N51351
Condition: Corroded
Location: Bs 660-680
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

CORROSION ON MAIN CABIN FLOOR SUPPORT UPPER SURFACE, BETWEEN BS 660 - 680, LBL 20. REMOVED THE CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-04, AD 1, PG 103, FIG 101, DETAIL II, REMOVED AND REPLACED THE FLOOR SUPPORT IAW DWG 143N5130, REV BA.