SDR P50300797

Service difficulty report · Intercostal · Boeing 747283B

Difficulty date: January 29, 2003
Submitted: April 10, 2003
Operation: Air carrier
Aircraft: N921FT
Make and model: Boeing 747283B
Aircraft serial: 21575
Aircraft time: 5,880 hours, 13,199 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Cracked
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

FWD CGR SHEARED RIVETS ON SEAT TRACK AND CRACK ON INTERCOSTAL BETWEEN LBL 25-LBL45. DAMAGED INTERCOSTAL REMOVED, NEW FABRICATED H/F 2024 T30.050 THK PER SAMPLE PER SRM 53-10-21. PROTECTED AREA PER SRM 51-10-02. RIVETED PER SRM 51-30-02.