SDR CALA2020042400858

Service difficulty report · Stringer · Boeing 75733N

Difficulty date: April 19, 2020
Submitted: April 24, 2020
Operation: Air carrier
Aircraft: N78866
Make and model: Boeing 75733N
Aircraft serial: 32591
Aircraft time: 58,477 hours, 17,308 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Part number: 143N3110478
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

(B757-53-3-0560) STA 780+24 STR 16L CRACKED. REF ST-SAA NR 00917 87. CHECKED LIMITS TO CRACKED STRINGER 16L AT STA 780+24 L+.70"; OUT OF LIMITS IAW B757-300 SRM 53-00-03 ADI. NO CRACKS ALLOWED. REM OVED, FABRICATE AND INSTALLED NEW STRINGER 16L SECTION, P/N: VTS AA143N3110-478, FROM STA 776 TO 780+24 IAW BOEING DRAWING 143N35 00 REV F. AREA F.O.D. FREE WORK ACCOMPLISHED INSPECTED.

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