SDR C8GA20090007

Service difficulty report · Stringer · Boeing 727230

Difficulty date: February 5, 2009
Submitted: March 18, 2009
Operation: Air carrier
Aircraft: N357KP
Make and model: Boeing 727230
Aircraft serial: 20675
Aircraft time: 69,532 hours, 37,070 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Part number: BAC1498139
Condition: Corroded
Location: Zone 100
Part time: 69,532 hours, 37,070 cycles
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

WHILE IN HEAVY MAINTENANCE PERFORMING INSPECTION IT WAS NOTED THAT STR. 25L HAS CORROSION AT BS 580. CORROSION TO BE OUT OF LIMITS. REMOVED DAMAGED SECTION OF STRINGER FROM BS 532-570, FABRICATED 2 NEW STRINGERS 19 INCH LONG FROM BAC1498-139, 7075-T6 .036 INCH AND 3 PIECES OF SPLICE 14 INCH LONG FROM BAC1498-132/ 7075 T6 .056 INCH. INSTALLED FABRICATED REPAIR PARTS IAW SRM 51-30-5, 51-30-2, 53-10-3. NO OTHER DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.