SDR CALA2015042393631

Service difficulty report · Spar · Boeing 767322

Difficulty date: April 23, 2015
Submitted: April 23, 2015
Operation: Air carrier
Aircraft: N667UA
Make and model: Boeing 767322
Aircraft serial: 29239
Aircraft time: 57,431 hours, 14,564 cycles
Engine: Pwa PW4056
System (JASC): 5411 · Nacelle/Pylon, Frame/Spar/Rib
Part: Spar
Condition: Cracked
Location: Nr 1 Nacelle
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

NUMBER 1 PYLON UPPER SPAR WEB HAS TWO CRACKS, ONE EACH AT INBD & OTBD DRAIN HOLES AS SEEN THROUGH ACCESS PANEL K416AR. CONTAINED CRACKS, MACHINED STEPPED DOUBLERS & FABRICATED FILLERS & INSTALLED REPAIR IAW ECRA 5453-01087, TIMCO REO-G17581, REV IR & SRM 54-53-01 REPAIR 10. ECRA 5453-01087 PROVIDED FOR MINOR DEVIATION TO ALLOW HL20-8 CADMIUM PLATED STEEL FASTENERS, IN LIEU OF BACB30NX8 FASTENERS.