SDR DALA2024101510111

Service difficulty report · Support Channel · Boeing 757251

Difficulty date: October 13, 2024
Submitted: October 15, 2024
Operation: Air carrier
Aircraft: N550NW
Make and model: Boeing 757251
Aircraft serial: 26497
Aircraft time: 60,967 hours, 26,009 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support Channel
Condition: Corroded
Location: Zone 200
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

SHIP 5650 CORROSION AROUND FASTENER HOLES IN AFT MAIN CABIN FLOOR STRUCTURE SUPPORT CHANNEL, BS.1660-1675 RBL.53.5. DOT 129 -101. CORRECTIVE ACTION: REMOVED AND REPLACED STRUCTURE SUPPORT CHANNEL, AT MAIN CABIN BS .1660-1675 RBL.53.5 IAW B757-SRM. (0606666)