Service difficulty report · Floorbeam · Boeing 75728A

Difficulty date
March 11, 2013
Submitted
March 11, 2013
Operation
Air carrier
Aircraft
N967FD
Make and model
Boeing 75728A
Aircraft serial
26269
Aircraft time
51,750 hours, 16,973 cycles
Part
Floorbeam
Part number
141N51221
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

MAIN DECK FLOORBEAM BS 365 HAS CORROSION ON UPPER ANGLE, THROUGH BOLT HOLES TO LOWER FLANGE RBL 45.5 - 58.22. CORROSION REMOVED IAW SRM 51-10-02, REV 108. FOUND EXCEED LIMITS IAW SRM 53-00-51, REV 108. ALLOWABLE DAMAGE 1, FIG 101, DETAIL III, REV 108. FLOORBEAM REMOVED IAW SRM 51-40-02, REV 108. NEW FLOORBEAM FABRICATED IAW DWG 141N5122, SHT 1. REV A AND INSTALLED IAW DWG 141N5112, SHT 1, REV D. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100.

More about the Boeing 757-28A