SDR QXEA2013032100638

Service difficulty report · Floorbeam · Bombdr DHC8402

Difficulty date: March 21, 2013
Submitted: March 25, 2013
Operation: Air carrier
Aircraft: N410QX
Make and model: Bombdr DHC8402
Aircraft serial: 4053
Aircraft time: 27,772 hours, 28,835 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
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

AFTER REMOVAL OF FLOORBOARD SUPPORT BRACKET AT STA 19.4 PORT SIDE FOUND MORE CORROSION ON FLOORBEAM. REMOVED CORROSION IAW SRM 51-21-00-00-02, REV 12 MIN THICKNESS NOTED .039", CONFIRMED CRACK FREE IN AFFECTED AREA REF NTM 51-00-04-910-801, PT 1 AND 51-00-06-910-801, PT 1 REV 9. FOUND BLENDS TO BE WITHIN LIMITS IAW RD8/4-53-5289 ISSUE 1. APPLIED SURFACE PROTECTION IAW RD8/4-53-5289, ISSUE 1. COMPLIED WITH TC RD8/4-53-5289, WO 143401.