SDR DALA12014313210

Service difficulty report · Floor Support · Airbus A320211

Difficulty date: November 29, 2012
Submitted: December 3, 2012
Operation: Air carrier
Aircraft: N310NW
Make and model: Airbus A320211
Aircraft serial: 121
Aircraft time: 68,007 hours, 30,286 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Cabin
Stage of operation: IN
How discovered: O
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 NON ROUTINE CHECK, FOUND FORWARD CABIN FLOORBEAM BETWEEN FR 18 TO FR 20 Y-254 UPPER FLANGE HAS CORROSION. BLENDED AREA ON FLOOR SUPPORT Y-254 IAW SRM 51-74-00, ORIG MATERIAL 155"L=.36"W=1"D=.030". NO ALLOWABLE DAMAGE WAS FOUND IN SRM. REPLACED FLOORBEAM, PN D5311282120020, BATCH 0002363289 IAW SRM 51-42-11 & TRM 53-21-01..

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