SDR FDEA201404290884

Service difficulty report · Fitting · Boeing 7572B7

Difficulty date: April 29, 2014
Submitted: April 29, 2014
Operation: Air carrier
Aircraft: N975FD
Make and model: Boeing 7572B7
Aircraft serial: 27146
Aircraft time: 60,768 hours, 22,114 cycles
System (JASC): 5420 · Nacelle/Pylon Miscellaneous Structure
Part: Fitting
Part number: 311N50241
Condition: Cracked
Location: Nr 1 Pylon
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 INBD HOLE OF VERTICAL FLANGE OF STRUT TO DIAGONAL BRACE FITTING HAS A CRACK INDICATION. ACCOMPLISHED EA F-5450-T0306349, NACELLES & PYLON, PYLONS STRUCTURES DEVIATION TO EO F-5450-7-5006, DUE TO CRACK IN BULKHEAD AT BRACE FITTING MOUNT HOLE. MAJOR REPAIR CAT A.

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