SDR IPXA2025040185119

Service difficulty report · Support Angle · Boeing 75724APF

Difficulty date: April 1, 2025
Submitted: April 29, 2025
Operation: Air carrier
Aircraft: N470UP
Make and model: Boeing 75724APF
Aircraft serial: 25486
Aircraft time: 34,739 hours, 20,775 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support Angle
Part number: 148N31521
Condition: Corroded
Location: Zone 200
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

FAULT STR-Z300: APU DOOR SURROUND 148N3152-1 AT FS 1790 - 1820 STR 6R SI CORRODED. FABRICATED NEW SUPPORT ANGLE FOR STR 6 FROM STA 1790 TO 1820. MATERIAL USED- 7075-0.063B, BATCH 0004309138 QTY 2 SF. IAW SRM 53-80-15. INSTALLED NEW (2 EA) ANGLE STR 6R, PER B-757-200 IAW SRM 51-40-02. REVIEWED.

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