SDR DALA2016041903120

Service difficulty report · Floor Support · Boeing 757232

Difficulty date: April 18, 2016
Submitted: April 20, 2016
Operation: Air carrier
Aircraft: N675DL
Make and model: Boeing 757232
Aircraft serial: 25980
Aircraft time: 77,419 hours, 35,233 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 1500-1520
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

AFT CARGO BAY FLOOR STRUCTURE BS 1500-1520 HAS CORROSION UNDER NUTPLATES, 10 EACH ON 8 BEAMS, MARKED. CORROSION AT 12 EA LOCATIONS, LBL 2.9, 7.55, 10.45, RBL 2.9, 7.55 , 10.45 BS 1500-1520 ARE FOUND TO BE OUT OF LIMITS. ORIGINAL .063" REMAINING, .031" LOSS OF .032. REPAIRED 12 EA LOCATIONS AS REQUIRED, REF: ERA, DAL 332525-14MA, REV D.