SDR USAA2013010800023

Service difficulty report · Angle · Boeing 7374B7

Difficulty date: December 16, 2012
Submitted: January 8, 2013
Operation: Air carrier
Aircraft: N440US
Make and model: Boeing 7374B7
Aircraft serial: 24811
Aircraft time: 59,057 hours, 40,381 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
Part number: 654587512
Condition: Corroded
Location: Fuselage
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

Q6 CHECK - LEVEL 2 EXFOLIATION CORROSION ON FORWARD SERVICE DOOR SILL ON LONGITUDNAL STIFFENER ANGLE BETWEEN BS 300 TO BS 328, S17R, RBL 59. REPLACED FORWARD SERVICE DOOR SILL ON LONGITUDNAL STIFFENER ANGLE BETWEEN BS 300 TO BS 328, S17R, RBL 59 IAW B737 SRM 53-10-15-1A-A FIG 101 & 51-40-02-0G PARA 7 FIG 12.

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