Service difficulty report · Stringer · Boeing 777222

Difficulty date
November 10, 2023
Submitted
November 15, 2023
Operation
Air carrier
Aircraft
N777UA
Make and model
Boeing 777222
Aircraft serial
26916
Aircraft time
104,383 hours, 18,889 cycles
Part
Stringer
Part number
147W33059
Condition
Corroded
Location
Sta 1880
Stage of operation
IN
How discovered
O
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

AFT CARGO BILGE AREA STRINGER FOUND HEAVY CORROSION AT STA 1880 STR44L REF HAECO NR NO.9466055. SPEC NO.B777-06-3-7169. AFT CGO BILGE AREA REVISION OF ECRA 5370-01096, ACCOMPLISH THE INSPECTION ON OR BEF STA1880 STR44L STRINGER REPLACED AS PER ECRA 5370-01096 REV -. ORE THE A/C REACHES 22.889 TOTAL F/C.REPEAT THE INSPECTION AT IN ACCOMPLISH PART 2 INSPECTION REQUIREMENTS FOR THE STR44L STRINGE TERVALS NOT TO EXCEED 4,000 F/C THEREAFTER. R REPAIR INSTALLED BETWEEN STA 1874 AND STA 1916 PER THE LATEST.