SDR CALA2021012500074

Service difficulty report · Stringer · Boeing 777222

Difficulty date: January 22, 2021
Submitted: January 25, 2021
Operation: Air carrier
Aircraft: N781UA
Make and model: Boeing 777222
Aircraft serial: 26945
Aircraft time: 96,170 hours, 16,782 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Part number: 147W2360103
Condition: Corroded
Location: Zone 100
Stage of operation: IN
How discovered: 9
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

LONGERON STRINGER 1937 TO 1958,STR L42 TO L42 CORROSION. PART: LONGERON STRINGER, LOCATION: STA/FRAME 1937 TO 1958, STRINGER STR L42 TO L42. BULK CARGO STA 1937 TO 1958 LT STR 42 ST RINGER REPAIRED, AS PER SRM 53-70-03-2R-1 REV 84 AND ECRA 5312-01 142 REV. DETAIL REF ATT SWS RII BY TA369.