SDR USAA2009082492236

Service difficulty report · Angle · Boeing 7374B7

Difficulty date: August 22, 2009
Submitted: August 24, 2009
Operation: Air carrier
Aircraft: N457UW
Make and model: Boeing 7374B7
Aircraft serial: 25021
Aircraft time: 50,505 hours, 33,399 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
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

CLT - Q4 - MAJOR REPAIR - LEVEL 2 INTERGRANULAR CORROSION ON Z-ANGLE UPPER FLANGE AT AFT ENTRY DOOR SILL BETWEEN BS 967 TO BS 987, S17L, LBL 51. REPAIRED Z-ANGLE UPPER FLANGE AT AFT ENTRY DOOR SILL BETWEEN BS 967 TO BS 987, S17L, LBL 51 IAW B737 SRM 53-60-15 & 51-70-11.

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