SDR CALA2023112903503

Service difficulty report · Skin · Boeing 767322

Difficulty date: November 16, 2023
Submitted: November 29, 2023
Operation: Air carrier
Aircraft: N670UA
Make and model: Boeing 767322
Aircraft serial: 29240
Aircraft time: 84,415 hours, 17,361 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Part number: 112T47044
Condition: Cracked
Location: Sta 994 5-9.5
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

WHILE PERFORMING HFEC SURFACE SCAN ON EA 5725-01008, REV B, OP 002, FOUND THE #1 HOLE TO HAVE A CRACK COMING FROM IT. REPAIRED CRACK IN R/W LOWER SKIN AT STA 994 5-9.5 IAW UNITED EC/RA 5720-03357. PART 1 CATEGORY B REPAIR. PERFORM PART 2 ON OR BEFORE 29,361 CYCLES OR 120,414 HOURS. REPEAT EVERY 12,000 CYCLE OR 36,000 HOURS WHICHEVER OCCURS FIRST.