SDR IPXA2023121838494

Service difficulty report · Skin · Boeing 74744AF

Difficulty date: December 15, 2023
Submitted: December 18, 2023
Operation: Air carrier
Aircraft: N577UP
Make and model: Boeing 74744AF
Aircraft serial: 35666
Aircraft time: 55,675 hours, 8,625 cycles
System (JASC): 5532 · Vertical Stabilizer, Plate/Skin
Part: Skin
Part number: 186U10071
Part serial: NSN
Condition: Delaminated
Location: Vertical Stab
Stage of operation: IN
How discovered: 9
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

*** SDR FILED OPEN *** DELAMINATION LEFT SIDE OF VERTICAL STABILIZER AFT & ABOVE HF COUPLER MATERIAL ID. TO BE: L ANGLE BAC1503-5818 - 81205 (ANGLE, 90 DEGREE, ALUMINUM EXTRUDED (1.50 X 1.50, 0.093) 7075-T6511) P.O 1260290 AND SKIN PANEL 075T6(.125X48X144) (SHEET,ALUMINUM,A/C QUALITY,QQA250/13) P.O SP2383125

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