SDR ZZDA5316797

Service difficulty report · Floor Beam · Boeing 737222

Difficulty date: August 6, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N468AT
Make and model: Boeing 737222
Aircraft serial: 19074
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floor Beam
Condition: Corroded
Location: Bs 344
Stage of operation: IN
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

DURING C-CHECK, FOUND FLOOR BEAM UPPER CAP CORRODED AT BS 344 LBL 60 OUT OF LIMITS. FABRICATED CHORD FROM 7075 T6 2 INCHES BY 30.75 INCHES BY 1.25 INCHES. FABRICATED WEB SPLICE FROM 7075 T6 .032 INCH 4 INCHES BY 7.2 INCHES. FABRICATED 2 WEBS FROM 7075 T6 .032 INCH 15.5 INCHES BY 7 INCHES AND 7 INCHES BY 7.75 INCHES. INSTALLED IAW B 737 SRM'S 53-10-2, 51-40-2, 53-10-9, 53-30-2, AND MM 51-21-0. (X)