Service difficulty report · Intercostal · Boeing 75733N

Difficulty date
February 24, 2026
Submitted
February 26, 2026
Operation
Air carrier
Aircraft
N57869
Make and model
Boeing 75733N
Aircraft serial
32593
Aircraft time
65,033 hours, 19,676 cycles
Part
Intercostal
Part number
146N54124
Condition
Corroded
Location
Zone 100
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

AFT CARGO COMP, BTW STA 1360-1380, S27R, INTERCOSTAL ANGLE WITH CORROSION.REF NR 1336679. PARTS FABRICATED PER DWG 146N4512-4, 146N5213-1, 146N5213-1, AND 654N0244-226. REMOVED (1) INTERCOSTAL, (1) FITTING (1) CHORD (1) CLIP, (2) SHE ANTIE, (3) FILLERS, IAW SRM 51-40-02, FABRICATED CHORD, TRAVELER T26/1851798, SHEARTIE TRAVLER:T26/1850442, SHEARTIE TRAV. T26/1 850441, ANGLE-CHORD TRAV. T26/1851132, RECIEVED NEW FITTING P.N. 654N0244-226, LOCATED AND DRILLED NEW PARTS IAW SRM 52-40-05, TR EATED PRIMED IAW 51-20-01, TOP COATED IAW AMM 51-24-15, INSTALLE D PART 5 IAW SRM 51-40-02.

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