Service difficulty report · Frame · Boeing 737322

Difficulty date
December 20, 2007
Submitted
December 21, 2007
Operation
Air carrier
Aircraft
N375UA
Make and model
Boeing 737322
Aircraft serial
24640
Aircraft time
50,961 hours, 35,588 cycles
Engine
Cfmint CFM563C1
Part
Frame
Condition
Damaged
Location
Bs 847
Part time
50,961 hours, 35,588 cycles
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 PIT STA 847 RBL 20 FRAME UPPER CHORD UPPER SURFACE HAS MISDRILLED FASTENER. SUSPECT MAINTENANCE MISTAKE. REMOVED DAMAGED FRAME AND REPLACED WITH NEW FRAME. AC OK FOR SERVICE.