SDR FDEA201304290885

Service difficulty report · Crease Beam · Boeing 75728A

Difficulty date: April 29, 2013
Submitted: April 29, 2013
Operation: Air carrier
Aircraft: N972FD
Make and model: Boeing 75728A
Aircraft serial: 28203
Aircraft time: 55,509 hours, 17,737 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Part number: FX65N33832
Condition: Corroded
Location: Bs 302-379
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

MAIN DECK STRINGER 17R CREASE BEAM INNER CHORD BS 310 -324 HAS CORROSION. CHECKED LIMITS ORIGINAL MATERIAL .080 AFTER REWORK .065 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, FIG. 101, DETAIL III. INSTALLED NEW CREASE BEAM AT STA 302 -379, RBL 64, IAW DWG #657N3383 AND SRM 51-40-02. FAB NEW CREASE BEAM OF BAC1515-553, BATCH NR 2413496 IAW SRM 53-10-13/ DWG 657N3383. MAJOR REPAIR.

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