SDR IPXA10560947

Service difficulty report · Stiffener · Boeing 75724APF

Difficulty date: June 24, 2010
Submitted: July 7, 2010
Operation: Air carrier
Aircraft: N457UP
Make and model: Boeing 75724APF
Aircraft serial: 25478
Aircraft time: 21,437 hours, 12,943 cycles
Engine: Rroyce RB211535E4
System (JASC): 5310 · Fuselage Main, Structure
Part: Stiffener
Part number: HFAB53R4011
Condition: Corroded
Location: Bs 1716
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

INSPECTION TYPE:C3, WHILE ACCESSING NUTPLATES, FOUND SUPPORT STIFFENER AT BS 1716, WL 207, FROM RBL TO RBL 25 IS CORRODED. REMOVED, FABRICATED, AND INSTALLED NEW SUPPORT STIFFENER IAW DWG NR 146N5240, SRM 53-00-51-1A 1, SRM 51-10-02-OG, SRM 51-40-02.

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