Service difficulty report · Longeron · Boeing 777222

Difficulty date
January 16, 2025
Submitted
January 17, 2025
Operation
Air carrier
Aircraft
N779UA
Make and model
Boeing 777222
Aircraft serial
26941
Aircraft time
100,028 hours, 18,643 cycles
Part
Longeron
Part number
111W21011
Condition
Cracked
Location
Zone 500
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

AD2019-11-02 - SUPPORT TASK - EA 5310-07557 REV B OP 002 - LH UNDERWING LONGERON 1EA HOLE FOUND CRACK AT WEB TRANSFER REF. NON-ROUTINE HX NRC WO.4219977 AND ORIGINATED BY EMP NO. V906013 EA 5310-07557 REV B OP 002 LH UNDERWING LONGERON CENTER TANK L/P NO.3547860 AND L/P NO.3547739 CREATED. FRONT SPAR WEB LOWER AREA REPAIRED AS PER EC/RA NO.5310-08495 REV ORIG PART 1 INTERIM REPAIR, REPEAT INSPECTIONS REQUIREMENT REFER EC/RA 5310-08495 REV ORIG PART 1 STEP 2 AND STEP 3 RII INSPECT IS OKAY.