SDR DALA2021010700079

Service difficulty report · Skin · Boeing 757251

Difficulty date: January 6, 2021
Submitted: January 7, 2021
Operation: Air carrier
Aircraft: N546US
Make and model: Boeing 757251
Aircraft serial: 26493
Aircraft time: 76,715 hours, 23,923 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Cracked
Location: Lt Wing
Stage of operation: IN
How discovered: O
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 L CHECK MAINTENANCE FOUND THE LT WING WITH CRACK INDICATION WERE ON HOLES NR 3, 4, 12, 13, 15 & 17. ADDITIONALLY HOLES NR 1, 9, 10 & 16 WERE FOUND WITH CORROSION IN FITTINGS AND SKIN LAYER AT BORE HOLE AND SURFACE. REPAIRED PER ERA 589044-14AD.