Service difficulty report · Crease Beam · Boeing 7572T7

Difficulty date
December 11, 2025
Submitted
December 12, 2025
Operation
Air carrier
Aircraft
N937FD
Make and model
Boeing 7572T7
Aircraft serial
23895
Aircraft time
76,595 hours, 34,991 cycles
Part
Crease Beam
Part number
143N552027
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 CARGO BAY FLOOR CREASE BEAM HAS SURFACE CORROSION BETWEEN BS 760 AND 780. REMOVED CREASE BEAM INBD CHORD SECTION OUT OF LIMITS AT MAIN CARGO COMPARTMENT LBL 64.20 BS 760 TO 900 IAW B757 SRM 51-40-02-0G; TRIMED, LOCATED, DRILLED AND INSTALLED NEW CREASE BEAM INBD CHORD REPLACEMENT SECTION IAW SRM 51-40-05-0G, SRM 51-40-08-0G, SRM 51-40-02-0G AND DWG 143N5520, REV E.

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