SDR 2006UALA00173

Service difficulty report · Floorbeam · Boeing 737522

Difficulty date: January 31, 2006
Submitted: February 8, 2006
Operation: Air carrier
Aircraft: N925UA
Make and model: Boeing 737522
Aircraft serial: 26646
Aircraft time: 37,859 hours, 27,906 cycles
Engine: Cfmint CFM563C1
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 771
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 PIT FLOORBEAM AT STA 771 LBL 2, STR 27L IS CORRODED. BLENDED CORRODED AREA, MATERIAL LOSS OUT OF LIMITS REF SRM 53-60-53. REMOVED DAMAGED AREA, FABRICATED REPAIR STRAP, BACK DRILLED FASTENER HOLES REF 53-42-97. PAINTED REPAIR, INSTALLED REPAIR STRAP WITH FAYING SEAL, REINSTALLED FLOORBOARD SPLICE.