SDR DALA2017032402367

Service difficulty report · Floor Support · Boeing 757232

Difficulty date: March 23, 2017
Submitted: March 24, 2017
Operation: Air carrier
Aircraft: N658DL
Make and model: Boeing 757232
Aircraft serial: 24420
Aircraft time: 81,885 hours, 37,526 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Fuselage
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

PASSENGER CABIN FLOOR STRUCTURE STA 1681 RBL 54, FLOOR SUPPORT BEAM CORRODED, TASK CP53-252-01I. REMOVED CORROSION IN PASSENGER CABIN FLOOR STRUCTURE STA 1661-1681 RBL 54, FLOOR SUPPORT BEAM IAW SRM 51-10-02. VERIFIED MATERIAL LOSS TO BE 100% OUT OF LIMITS IAW SRM 53-00-51 DETAIL III. REMOVED CORRODED FLOOR SUPPORT STA 1661-1681 RBL 54 IAW SRM 51-40-02. LOCATED, DRILLED, & INSTALLED NEW FLOOR SUPPORT STA 1661-1681 RBL 54 IAW SRM 51-40-02, DRAWING 146N5230 REV A, AND SRM 51-40-02.