SDR FDEA201607272632

Service difficulty report · Bulkhead · Boeing 757236

Difficulty date: July 27, 2016
Submitted: July 29, 2016
Operation: Air carrier
Aircraft: N954FD
Make and model: Boeing 757236
Aircraft serial: 29113
Aircraft time: 32,836 hours, 19,728 cycles
System (JASC): 5412 · Nacelle/Pylon, Bulkhead/Firewall
Part: Bulkhead
Part number: 311N52903
Condition: Cracked
Location: Nr 1 Nacelle
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

NR 1 PYLON VERTICAL FLANGE OTBD CRACKED. NR 1 PYLON VERTICAL FLANGE OTBD LOWER HOLE HAS A CRACK. ALL WORK ACCOMPLISHED IAW EA F-5450-T0326976, P1 NACELLES, PYLON. PYLONS, STRUCTURES DEVIATION TO EO F-5450-7-5006, DUE TO CRACK IN BULKHEAD AT BRACE FITTING MOUNT HOLE ON NR 1, LT PYLON.