Service difficulty report · Stringer · Boeing 777224

Difficulty date
February 18, 2022
Submitted
February 21, 2022
Operation
Air carrier
Aircraft
N78001
Make and model
Boeing 777224
Aircraft serial
27577
Aircraft time
107,761 hours, 11,097 cycles
Part
Stringer
Part number
140W92512
Condition
Cracked
Location
Bs 1035
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

AD 2019-11-02 SUPPORT TASK EA 5310-06900 OP4 REV D FUSELAGE BS 1035 R/H BUILT-UP UNDERWING LONGERON FOUND 1EA CRACK AT FIRST LAYER (COUNT FROM I/B) PLEASE PRINT AND ACCOMPLISHED EA 5310- 06900 OP 4 TRANSFER REF. NON-ROUTINE HX NRC WO.535988 AND ORIGINATED BY EMP NO. V924736 FUSELAGE BS 1035 R/H UNDERWING LONGERON REPLACEMENT GAP 2 ACCOMPLISHED AS PER EA 5310-06900 REV D OP 14 SEQ 1069 REF WORK DETAIL CR.538156 WORK ACCOMPLISHED BY MECHANIC V924736 INSPECTED BY V897470 INSPECTED BY HX185167, APPROVED.