SDR QXEA2012100901209

Service difficulty report · Floorbeam · Bombdr DHC8402

Difficulty date: October 9, 2012
Submitted: October 12, 2012
Operation: Air carrier
Aircraft: N407QX
Make and model: Bombdr DHC8402
Aircraft serial: 4049
Aircraft time: 27,207 hours, 28,507 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

FLOORBEAM -18.25 UPPER SURFACE AND CENTER SPLICE HAVE CORROSION BL0. REMOVED RIVETS TO ACCESS CORROSION AND REMOVED CORROSION IAW SRM 51-42-05-02-01 AND 51-21-00-00-02. VERIFIED AFFECTED AREA TO BE CRACK FREE USING HFEC NDTM 51-00-06-910-801, PT 1 MIN REMAINING THICKNESS .033" REF NTM 51-00-04-910-801 PT 1. FOUND BLENDS TO BE IN LIMITS IAW RD 8/4-53-4854. ALODINED, PRIMED, INSTALLED RIVETS AND APPLIED SURFACE PROTECTION IAW SRM 51-21-10-02-01, 51-25-10-02-01, 51-42-05-02-01 AND RD 8/4-53-4854.