Service difficulty report · Skin · 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
Skin
Part number
147W23502
Condition
Corroded
Location
Sta1880, S-44l
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 FUSELAGE SKIN FOUND HEAVY CORROSION AT STA 1880 S-44L REF HAECO NR NO.9466223 - SPEC NO.B777-06-3-7169. AFT CGO BILGE AREA REVISION OF ECRA 5730-01098 ON OR BEFORE THE A/C REACHES 22,889 FUS STA 1824-STA 1895 STR 44L SKIN REPAIRED AS PER ECRA 5370-010 TOTAL F/C.REPEAT THE INPSECTION AT INSPECTION AT INTERVALS NOT 98 REV -.ACCOMPLISH PART 2 INSPECTION REQUIREMENTS FOR THE SKIN TO EXCEED 4,000 F/C THEREAFTER. REPAIR BETWEEN STA 1874 AND STA 1895 AT STR 44L PER LATEST.