SDR CALA2018031300901

Service difficulty report · Channel · Boeing 757222

Difficulty date: March 13, 2018
Submitted: March 13, 2018
Operation: Air carrier
Aircraft: N568UA
Make and model: Boeing 757222
Aircraft serial: 26674
Aircraft time: 81,729 hours, 27,521 cycles
System (JASC): 5220 · Emergency Exits
Part: Channel
Part number: 414N1003
Condition: Corroded
Location: Lt Overwing Door
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

AFT LEFT OVERWING EXIT DOOR HAS CORROSION ON THE HAT CHANNEL AT THE BOTTOM OF THE DOOR. REMOVED THE CORROSION ON THE OVERWING DOOR, FOUND TO BE OUT LIMITS IAW SRM 52-20-02, AD 1, FIG 101, DETAIL III. FABRICATED A NEW HAT CHANNEL AND STRAP IAW DWG 414N1003, LOCATED AND DRILLED AND INSTALLED THE HAT CHANNEL AND STRAP IAW SRM 51-40-02, AND DWG 144N6302.