SDR DALA1020805522

Service difficulty report · Floor Support · Boeing 757251

Difficulty date: August 31, 2010
Submitted: October 12, 2010
Operation: Air carrier
Aircraft: N522US
Make and model: Boeing 757251
Aircraft serial: 23616
Aircraft time: 66,941 hours, 27,518 cycles
Engine: Pwa PW2037
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 345-377
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

CORROSION ON CABIN FLOOR SUPPORT BEAM FROM STA 345-377 BL'0'. REMOVED CORROSION FROM FLOOR SUPPORT BEAM BL'0' BTW STA 345-377 IAW SRM 51-10-02. ORIGINAL MAT. .063" MAT LOSS .016 FOUND TO BE OUT OF LIMITS IAW SRM 53-10-51 FIG 101. REMOVED FLOOR SUPPORT BEAM IAW SRM 51-40-02. LOCATED, DRILLED, AND INSTALLED NEW FLOOR SUPPORT BEAM IAW SRM 51-40-05 & 51-40-02.