SDR QXEA200800289

Service difficulty report · Sill · Bombdr DHC8402

Difficulty date: March 13, 2008
Submitted: March 18, 2008
Operation: Air carrier
Aircraft: N409QX
Make and model: Bombdr DHC8402
Aircraft serial: 4051
Aircraft time: 16,313 hours, 16,318 cycles
System (JASC): 5220 · Emergency Exits
Part: Sill
Condition: Corroded
Location: Emergency Exit
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

PDX - C4- FROM STA X71.0 TO X94.0 ON THE RIGHT EMERGENCY DOOR LOWER AUX SILL HAS CORROSION AROUND NUT PLATES. REMOVED UPPER THRESHOLD SILL, REMOVED LOWER THRESHOLD BEAM EDGE (PN 85329514-101) BY DRILLING REF Q400 SRM 51-40-07. INSTALLED NEW FROM STOCK LOWER THRESHOLD PIECE BY INSTALLING SOLID RIVETS IAW DASH 8 400 SRM 51-42-05 AND CHERRYMAY RIVETS IAW DASH 8 400 SRM 51-42-15. REINSTALLED UPPER THRESHOLD SILL USING NEW FROM STOCK HARDWARE AS REQUIRED.