SDR DALA2020112503868

Service difficulty report · Shim · Boeing 757351

Difficulty date: November 24, 2020
Submitted: November 25, 2020
Operation: Air carrier
Aircraft: N590NW
Make and model: Boeing 757351
Aircraft serial: 32990
Aircraft time: 61,838 hours, 20,032 cycles
System (JASC): 7120 · Engine Mount Section
Part: Shim
Condition: Migrated
Location: Nr 2 Engine
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

WHILE PERFORMING ENGINE NR 2 DRAG FITTINGS CLAMP-UP & DIAGONAL BRACE INSPECTIONS, PER EM 5720-01100-0101B, SHIM 1C WAS MIGRATED ALSO. CORROSION, SCRATCHES AND TOOLING DAMAGE WAS FOUND AFFECTING BOLTS HOLES 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17 & 18. REPAIRED PER ERA 588769-14.