SDR FDEA201104011278

Service difficulty report · Floorbeam · Boeing 757232

Difficulty date: April 1, 2011
Submitted: April 25, 2011
Operation: Air carrier
Aircraft: N991FD
Make and model: Boeing 757232
Aircraft serial: 22911
Aircraft time: 76,985 hours, 37,745 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 141N5114
Condition: Corroded
Location: Zone 200
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

MAIN CABIN STA 365, BL-0 FLOORBEAM CORRODED UPPER FLANGE. REMOVED CORROSION IAW SRM 51-10-02. ORIGINAL MATERIAL .125 AFTER REWORK .098. EXCEEDED MAX ALLOWABLE DAMAGE REMOVAL OF .107 IAW SRM 53-00-51 FIG 101 DETAIL III. AREA OUT OF LIMITS. REMOVED DAMAGED AREA OF BEAM REPAIR IAW SRM 51-40-02. FABRICATED NEW TEE, REPAIR ANGLES AND REPAIR STRAPS IAW SRM 51-40-02 AND SRM 53-00- 51 TABLE 1. INSTALLED REPAIR CHORD, ANGLES AND STRAPS IAW SRM 51-40-02. CLASSIFED CATEGORY "A" MAJOR REPAIR