SDR AWXA200501515

Service difficulty report · Floor Support · Boeing 73733A

Difficulty date: November 17, 2005
Submitted: December 14, 2005
Operation: Air carrier
Aircraft: N164AW
Make and model: Boeing 73733A
Aircraft serial: 23625
Aircraft time: 61,105 hours, 42,713 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 6546812187
Condition: Corroded
Location: Bs 1011-1015
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

MCN - DURING C19 CHECK DISCOVERED LEVEL 2 GALVANIC CORROSION FOUND ON FLOOR SUPPORT LOCATED FROM BS 1011 TO BS 1015, WL 208, AND BL 7L. CORROSION WAS FOUND TO BE OUT OF LIMITS IAW BOEING 737-300 SRM 53-60-51-1A-1 FIG 101. MAINTENANCE REMOVED AND INSTALLED NEW FLOOR SUPPORT FROM BS 1011 TO BS 1015, WL 208 AND BL 7L IAW BOEING 737-300 SRM 51-40-02-0G FIG 12.

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