SDR DALA2021022201010

Service difficulty report · Drag Fitting · Boeing 757351

Difficulty date: February 19, 2021
Submitted: February 22, 2021
Operation: Air carrier
Aircraft: N593NW
Make and model: Boeing 757351
Aircraft serial: 32993
Aircraft time: 61,697 hours, 20,136 cycles
System (JASC): 7120 · Engine Mount Section
Part: Drag Fitting
Condition: Corroded
Location: Rt 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

DURING RT ENGINE DRAG FITTINGS CLAMP-UP & DIAGONAL BRACE INSPECTIONS MAINTENANCE FOUND CORROSION, BURRS, A CRACK AND OUT-OF-SIZE CONDITION WERE FOUND AFFECTING HOLES 1-4, 6-10, 13, 15, 16 & 18, COMMON TO RT WING UPPER SKIN AND FWD DRAG FITTINGS AT OUTER WING RTS UPPER SKIN AND DRAG FITTINGS CRACKED AT HOLE 2 AND CORROSION AT HOLES 7, 9 & 13. REPAIRED PER ERA 590003-14. (LP 1734063)