SDR DALA2018050102962

Service difficulty report · Channel · Boeing 7572Q8

Difficulty date: April 29, 2018
Submitted: May 1, 2018
Operation: Air carrier
Aircraft: N624AG
Make and model: Boeing 7572Q8
Aircraft serial: 25624
Aircraft time: 70,192 hours, 21,975 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Corroded
Location: R4 Door Sill
Stage of operation: IN
How discovered: 9
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

R4 DOOR LOWER SILL UPPER SURFACE, FWD CHANNEL HAS CORROSION ON UPPER AND LOWER SURFACE AROUND FASTENER HOLES, BS 1660, RBL 71, THE CHANNEL WAS FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15, DETAIL VIII. REMOVED AND REPLACED THE CHANNEL IAW DWG 146N8722, REV B, AND SRM 51-40-02, PAR 7.

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