Service difficulty report · Fitting · Boeing 747271C

Difficulty date
August 16, 2003
Submitted
August 23, 2004
Operation
Air carrier
Aircraft
N537MC
Make and model
Boeing 747271C
Aircraft serial
22403
Part
Fitting
Part number
69B941203
Condition
Damaged
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

DURING C-CHECK, NR 1 PYLON OB SPRING BEAM SHEAR TRANSFER FITTINGS FOUND DAMAGED DUE TO CONTACT WITH SPRING BEAM. CONTRACT RESULTED FROM MISLOCATION OF FITTINGS. SUBJECT FITTINGS WERE TRIMMED TO REMOVED DAMAGE, NDT INSPECTED, & RESTORED PER DRAWING. FITTINGS OTHERWISE MET DRAWING REQUIREMENTS. CRACK FOUND ON FITTING 69B941204, .47 INCH LONG. ACCOMPLISH A VISUAL INSP NR 4 PYLON. PROBLEM DID NOT OCCUR AT PYLON NR 4. DAMAGE FOUND FITTING 69B94120-3. DAMAGE TRIMMED. REPAIRS STRUCTURALLY ACCEPTABLE & SUFFICIENT CLEARANCE PROVIDED. CONDUCT A DETAIL VISUAL INSPECTION OF FITTING & INSTALLATION EVERY 6 MONTHS TO CONFIRM NO OTHER FURTHER CRACKING OR DAMAGE TO THE FITTING, REPLACE FITTING WITHIN 18 MONTHS. (M)