Service difficulty report · Skin · Boeing 777222

Difficulty date
November 8, 2018
Submitted
November 9, 2018
Operation
Air carrier
Aircraft
N774UA
Make and model
Boeing 777222
Aircraft serial
26936
Aircraft time
89,773 hours, 16,190 cycles
Part
Skin
Part number
143W23312
Condition
Cracked
Location
Bs 1035
Stage of operation
IN
How discovered
V
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

DURING ACCOMPLISHMENT OF EA 5310-06900 OP11 LH BS 1035 UNDERWING LONGERON REPLACEMENT, 3 HOLES FOUND CRACKED ON FUSELAGE SKIN. LH BS 1035 UNDERWING LONGERON FUSELAGE SKIN REPAIRED AS PER ECRA 5331-02293 PART1 INTERIM REPAIR JUST AT STA 993 TO STA 1035 BETW EEN STR 35L AND STR 38L. FORM 44-0008 ATTACHED ITEM 1 TO 27 ACCOMPLISHED. WORK PERFOMRED AT HAECO HKG BM BY V 8913003 QC 129800 THIS REPAIR IS BEING EVALUATED FOR DAMAGE TOLERANCE. SEPTEMBER 29 2020 FOR THE PERMANENT REPAIR. NOTE TO PLANNING: PLANNING TO CONTACT ENGINEERING AFTER AUGUST 29 2020 BUT BEFORE ACCOMPLISH A PERMANENT REPAIR ON OR BEFORE OCTOBER 29 2020. PER PART 1 STEP 18 OF ECRA 5331-02293 INITIATE A DIP TO REQUEST DIP PER EC/RA 5331-02293 WORK PERFOMED ON HAECO HANGAR NR 9131223 THE ABOVE ITEM REQUIRES A PERMANENT REAPIR BEFORE OCT 29,2020. PLANNING MUST CONTACT ENGINEERING AFTER AUG 29,2020 BUT BEFORE S EP 29,2020 FOR THE PERMANENT REPAIR. NOTE TO PLANNING:THIS ECRA IS BEING EVALUATED FOR DAMAGE TOLERAN CE UNDER 14CFR26.43(D)AND WILL LIKELY BE MADE PERMANENT WITH REP EAT INSPECTIONS... TOMC-APPROVAL FROM SC1ELBYC COMMENT TOMC APPROVED : QC REVIEWED RECORDS UPDATE MHU359555 RECORDS UPDATE TOMC APPROVED : QC REVIEWED INIT #1: (-0091) PLN/EG > AUG 29 2020 < SEP 29 2020 INIT #2: (-0092) 29 OCT 2020 MHU359555