SDR DALA2017050903706

Service difficulty report · Floorbeam · Boeing 757232

Difficulty date: May 8, 2017
Submitted: May 9, 2017
Operation: Air carrier
Aircraft: N667DN
Make and model: Boeing 757232
Aircraft serial: 25035
Aircraft time: 83,846 hours, 38,346 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
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

LBL 24, FLOORBEAM HAS SEVERAL AREAS OF CORROSION. REMOVED CORROSION FROM FLOORBEAM AT STA 345 FROM LBL 1 TO LBL 25. ORIG THICKNESS .125, THINNEST AREA AT LBL 7 REMAINING .090, MATERIAL LOSS .035, ON AFT FLANGE. REPAIRED IAW PRI RE/A 557233- 14 REV 0, PRI ER/A 557233-14 REV 1, ER/A 557233-14 ORIGINAL, AND SRM 53-00-51 REPAIR 11.