SDR F3LA200200355

Service difficulty report · Floor Support · Boeing 737301

Difficulty date: October 4, 2002
Submitted: October 21, 2002
Operation: Air carrier
Aircraft: N578US
Make and model: Boeing 737301
Aircraft serial: 23257
Aircraft time: 55,067 hours, 31,976 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Fuselage
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

DURING C 4 CHECK, USING INSPECTION CRITERIA IN SRM 53-60-53, CORROSION WAS FOUND AROUND THE NUT PLATE ON THE FLOOR SUPPORT CHANNEL AT RBL 3 AT BS 887. REMOVED AND REPLACED A SECTION OF THE FLOOR SUPPORT CHANNEL, FROM BS 887 TO BS 947 AT RBL 3, IAW SRM 53-00-53.