SDR IPXA2026021096944

Service difficulty report · Stiffener · Boeing 75724APF

Difficulty date: January 27, 2026
Submitted: February 11, 2026
Operation: Air carrier
Aircraft: N408UP
Make and model: Boeing 75724APF
Aircraft serial: 23730
Aircraft time: 38,766 hours, 26,436 cycles
System (JASC): 5420 · Nacelle/Pylon Miscellaneous Structure
Part: Stiffener
Part number: 313N302128
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

# 2 PYLON ANGLE IS CRACKED INSIDE PANEL 445AL , ATA 54 STR. INSTALLED (1EA) NEW SPAR STIFFENER, (1EA) WEB CHANNEL (INBD) AND (1EA) WEB CHANNEL (OUTB) PREVIOUSLY REMOVED FOR ACCESS AT #2 PYLON INNER SIDE ABOVE EXHAUST IAW B757-200PF SRM 51-40-02-0G-0 PER E.A.#: 757-5451-01-B0679, REV. P2. STEP 13. ACCOMPLISHED REPAIR PER EO-96426-REQ1 AND VT-SAA EA 757-5451-01-B0679, REV. IR. PRODUCTION AUDIT C/W

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