SDR IPXA2025022640252

Service difficulty report · Stringer · Boeing 75724APF

Difficulty date: February 19, 2025
Submitted: February 26, 2025
Operation: Air carrier
Aircraft: N438UP
Make and model: Boeing 75724APF
Aircraft serial: 25469
Aircraft time: 30,787 hours, 20,165 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Part number: 146N3110496
Condition: Punctured
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

**SDR FILED OPEN** AIRCRAFT FUSELAGE PUNCTURED APPROXIMATELY 9FT AFT OF LOWER AFT CARGO DOOR MATERIAL IDENTIFICATION: DOUBLER P/N 2024T3 .063", PO# SP2772414, SNR LOT# 5696144. FILLER P/N 2024T39 .056", PO# SP1818420, SNR LOT# 5995. STRINGER SPLICE P/N BAC1498-203, PO# SP2283532, SN 668328A.

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