SDR FDEA202403270384

Service difficulty report · Crease Beam · Boeing 75723A

Difficulty date: March 27, 2024
Submitted: March 28, 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: 146N559059
Condition: Corroded
Location: Zone 200
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MAIN DECK, RIGHT CREASE BEAM HAS CORROSION BETWEEN STA.1260-1280. REMOVED CORROSION CREASE BEAM AT STA 1260 TO 1280 IAW B757 SRM 51-10-02-0G, EVALUATED AREA FOUND TO BE OUT OF LIMTIS BETWEEN STA 1260-1280 IAW B757 SRM 53-60-13- 1A DETAIL VIII FIG 101, REPAIR CREASE BEAM AT STA 1240 TO 1300 RBL 64 IAW B 757 SRM 53-00-13- 2R ALTERNATIVE 1 FIG 201 MAJOR REPAIR

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