SDR FDEA201210233715

Service difficulty report · Floorbeam · Boeing 75728A

Difficulty date: October 23, 2012
Submitted: October 23, 2012
Operation: Air carrier
Aircraft: N971FD
Make and model: Boeing 75728A
Aircraft serial: 26277
Aircraft time: 43,482 hours, 12,822 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 141N51231
Condition: Corroded
Location: Zone 200
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

CABIN FLOORBEAM AT BS 377, LBL 12 TO LBL 24 HAS CORROSION TO UPPER TEE. CORROSION REMOVED IAW SRM 51-10-02, REV 107. FOUND OUT OF LIMIT IAW SRM 53-00-51, FIG 101, ALLOWABLE DAMAGE, 1 REV 107. FLOORBEAM REMOVED IAW 51-40-02, REV 107. NEW FLOORBEAM FABRICATED IAW DWG 141N5123, SHT 1, REV A & INSTALLED IAW DWG 141N5113, SHT 1, REV F. REPAIR CLASSIED MAJOR IAW GMM 6-2-100.

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