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
Part
Crease Beam
Part number
146N559063
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

LH AFT MAIN CABIN CREASE BEAM HAS POSSIBLE CORROSION BETWEEN BS 1420 THRU BS 1640 REMOVED CORROSION AT CREASE BEAM BETWEEN STA. 1520 - 1605 IAW B757 SRM 51-10-02-0G, FOUND TO BE OUT OF LIMITS IAW B757 SRM 53-60-13-1A DETAIL VIII, REMOVED AND IINSTALLED NEW CREASE BEAM BETWEEN STA. 1360-1630 LBL 64.20 AND SPLICE REPAIR BETWEEN STA 1480 - 1500 IAW B757 SRM 53-00-13-2R REPAIR I TABLE 201 FIG. 201 DETAIL I MAJOR REPAIR

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