Service difficulty report · Spar · Boeing 767322

Difficulty date
April 21, 2010
Submitted
April 23, 2010
Operation
Air carrier
Aircraft
N641UA
Make and model
Boeing 767322
Aircraft serial
25091
Aircraft time
81,207 hours, 13,103 cycles
Engine
Pwa PW4060
Part
Spar
Part number
311T31571
Condition
Cracked
Location
Nr 1 Pylon
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

NR 1 PYLON UPPER SPAR WEB LOWER SURFACE CLOSE- OUT TEE FITTING PN 311T3157-1 AT MID-SPAR FITTING NAC STA 237 HAS 1.5 INCH CRACK VERIFIED BY NDT. HFEC VERIFIED STOP DRILL, ROTO PROBE INSP BOLT HOLES REF NDT PT6. INSTALLED REPAIR SPLICE AND FILLER REF EA AND MARKED REPAIR. REINSTALLED CLOSEOUT FITTING.