SDR NACA201505010027

Service difficulty report · Floorbeam · Boeing 737232

Difficulty date: May 1, 2015
Submitted: May 11, 2015
Operation: Air carrier
Aircraft: N322DL
Make and model: Boeing 737232
Aircraft serial: 23094
Aircraft time: 73,465 hours, 57,254 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 807
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

UPPER FUSELAGE BS 807, LBL 65 TO RNL 65 HAS CORROSION ON LWR FLANGE OF FLOORBEAM & LWR STRAP. DURING INSPECTION, CORROSION WAS NOTED ON THE LOWER FLANGE OF THE BS 807 FLOORBEAM AND ON THE AEI STRAP ON THE UNDERSIDE OF THE BEAM. THE STRAP WAS BLENDED, MEASURED AND FOUND TO BE WITHIN LIMITS. THE FLOORBEAM FLANGE WAS REPAIRED IAW SRM R108, 53-10-9, FIG 7. FLOORBEAMS ARE FLAGNOTE B FCBS SO DTA IS NOT REQUIRED, REF KFC MCO 3218, WO 1364375.