SDR MALA964939

Service difficulty report · Intercostal · Swrngn SA227AC

Difficulty date: April 1, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N159MC
Make and model: Swrngn SA227AC
Aircraft serial: AC728B
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 2722104
Condition: Cracked
Location: Bs 212.37
Stage of operation: IN
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

MSP - DURING A SCHEDULED INSPECTION, MAINTENANCE FOUND THE LEFT LOWER FUSELAGE INTERCOSTAL, AT FS 212.37 (PN 27-22104), CRACKED IN THE FLANGE RELIEF RADIUS. REPAIRS WERE COMPLETED BY STOP DRILLING THE CRACK AND INSTALLING A REPAIR DOUBLER AND STIFFENER IAW FAC SRM 53-90-20, PAGES 87-89. (X)