SDR FDEA202403210334

Service difficulty report · Crease Beam · Boeing 75723A

Difficulty date: March 21, 2024
Submitted: March 25, 2024
Operation: Air carrier
Aircraft: N922FD
Make and model: Boeing 75723A
Aircraft serial: 24293
Aircraft time: 74,064 hours, 28,137 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Part number: 143N552028
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

R/H MAIN CABIN CREASE BEAM HAS CORROSION BETWEEN BS 840 THRU BS 880. MAIN CABIN CREASE BEAM BETWEEN BS 733-900 REMOVED CORROSION IAW B757 SRM 51-10-02- 0G, FOUND TO BE OUT OF LIMITS IAW B757 SRM 53-30-13-1A DETIAL VIII, REMOVED AND REPLACED SECTION CREASE BEAM (INBD CHORD) IAW B DWG# PL 143N5520 REV. C, DWG 146N5590 REV F AND B757 SRM 51-40-02-0G. MAJOR REPAIR

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