Service difficulty report · Skin · Boeing 777232

Difficulty date
January 28, 2013
Submitted
February 5, 2013
Operation
Air carrier
Aircraft
N705DN
Make and model
Boeing 777232
Aircraft serial
29742
Aircraft time
19,895 hours, 1,734 cycles
Part
Skin
Condition
Corroded
Location
Bs 2268-2344
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

INTERNAL SKIN & STRINGERS CORRODED FROM BS 2268.5 TO 2344.5, STRINGERS 22 RT AND 23 RT, REMOVED DAMAGE ON SKIN AND STRINGERS. EVALUATED CLEANED AREA AND FOUND STA 2344.5- 2350 BETWEEN STRINGERS 40R AND 43R OUT OF LIMITS IAW SRM 53-00-01 (472795). ALL OTHER BURNISHED AREAS OF SKIN WERE FOUND WITHIN LIMITS IAW SRM ALLOWABLE DAMAGE 1 (472795). REMOVED REMAINING FASTENERS AND CUT OUT DAMAGED FUSELAGE SKIN REF SRM 53-80-01 (309658). COMPLIED WITH HFEC INSP OF CUTOUT IAW 53-80-01, STEP 4E. NO ITEMS NOTED. FABRICATED REPAIR PARTS, TREATED AND PAINTED IAW SRM 53-80-01 AND SOPM 20-44-04 (481499) COMPLETED STEP 4H ZERO. TIME HOLES BHEC INSPECTION NO ITEMS (316852,410927) OK TO TREAT AND PAINT (410927). TREATED AND PAINTED IAW SRM 53-80-01 (430363,989816). OK TO INSTALL PARTS (989816) INSTALLED DOUBLER IAW SRM 53-80-01 AND COMPLETED REPAIR IAW SRM 53-80-01.