Service difficulty report · Floorbeam · Boeing 757231

Difficulty date
October 31, 2015
Submitted
November 5, 2015
Operation
Air carrier
Aircraft
N711ZX
Make and model
Boeing 757231
Aircraft serial
28481
Aircraft time
66,942 hours, 19,028 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 365
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

MAIN CABIN FWD WET AREA, CORROSION ON FLOORBEAM AT BS 365 FRAME IN BL0 TO RBL28. CP53-222-01. REMOVED CORROSION AT MAIN CABIN FWD WET AREA ON FLOORBEAM AT BS 3C5 FROM BL0 TO RBL 28 IAW SRM 51-10-02. EVALUATED AREA WITH DIGITAL CALIPER FOUND TO BE OUT LIMIT IAW SRM 53-00-51. REMOVED T-CHORD AND REPAIR PART IAW SRM 51-40-02 PAR 4T 51-40-02, PAR 7 FABRICATED A NEW T-CHORD REPAIR SECTION FROM BAC1505-100880, PO ST00004765, DIM 87 IAW SRM 53-00-51, REPAIR 8 INSTALLED REPAIR PART IAW SRM 53-00-51, FIG 201. ID TAGGED REPAIR IAW DPS 900-5-1. NR 04 PLEASE CLOSE LOG. CLOSED LOG AND REMOVED MONITOR INSP.