SDR DALA2015111807017

Service difficulty report · Floor Support · Boeing 757251

Difficulty date: November 17, 2015
Submitted: November 18, 2015
Operation: Air carrier
Aircraft: N545US
Make and model: Boeing 757251
Aircraft serial: 26492
Aircraft time: 61,184 hours, 19,582 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 1380-1440
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

DURING OK TO INSTALL FLOORBOARD FOUND CORROSION FROM BS 1380 TO BS 1440, RBL AT AFT CARGO PIT. REMOVED CORROSION FROM BS 1380-1440, RBL 20 Z-ANGLE ORIGINAL MATERIAL THICKNESS .063, LOSS OF .026 WITH .037 REMAINING IS OUT OF LIMITS IAW SRM 53-00-53, PG 105 DETAIL V. R & R Z-ANGLE IAW DWG 146N5391 AND SRM 51-40-02.