Service difficulty report · Cowling · Boeing 7474R7F

Difficulty date
April 12, 2026
Submitted
April 13, 2026
Operation
Air carrier
Aircraft
N583UP
Make and model
Boeing 7474R7F
Aircraft serial
25867
Aircraft time
138,372 hours, 23,378 cycles
Part
Cowling
Condition
Cracked
Location
Zone 400
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

NR 2 ENGINE INLET COWL 12 O CLOCK POS . CRACK MEASURES 11IN PART IS ON TABLE IN S/M SHOP. BEGAN REMOVAL OF INLET LIP SKIN SECTION. ALL RIVETS REMOVED. SOME TOPSIDE HI-LOKS REMOVED (HAVE TO BE DRILLED). IAW SRM 51-40-02

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