SDR DALA2017072505750

Service difficulty report · Floor Support · Boeing 757232

Difficulty date: July 24, 2017
Submitted: July 28, 2017
Operation: Air carrier
Aircraft: N669DN
Make and model: Boeing 757232
Aircraft serial: 25142
Aircraft time: 83,092 hours, 38,081 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 1640-1660
Stage of operation: IN
How discovered: 9
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

CABIN FLOOR STRUCTURE, U CHANNEL BETWEEN STATIONS 1640-1660 AT BL 0 CORRODED. BLENDED CORROSION IAW SRM 51-10-02, PG 12, PAR 15. MEASURED AND VERIFIED LIMITS IAW SRM 53-00-51, DETAIL III. OUT OF ALLOWABLE LIMITS. REMOVED AND REPLACED FLOOR SUPPORT IAW SRM 51-40-02, PG 2, PAR 4, AND DWG 146N5230, REV -.