Service difficulty report · Skin · Boeing 777222

Difficulty date
December 19, 2021
Submitted
December 20, 2021
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
98,629 hours, 18,233 cycles
Part
Skin
Part number
143W23312
Condition
Cracked
Location
Skin
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

SUPPORT TASK- EA5310-06900 (AD2019-11-02) STEP 20.2 3EA HOLES FOUND CRACK ON SKIN LAYER, DETAIL REFER FINDING REPORT. TRANSFER REF NR LP 9130730 AND ORIGINATED BY EMP V924733. DTA/DIP IS REQUIRED FOR INITIAL INSP AT 26,233 TOTAL FC WITH REPEAT INSP INTERVALS NOT TO EXCEED 4000 TOTAL CYCLES. FUSELAGE SKIN INTERIM REPAIRED PER ECRA 5331-02819 PART 1, LH SIDE STA 993-1035 BETWEEN STR 35L & 38L.. PER ECRA PART 2, A ADD EMP:V893003 RII INSPECTED BY HX 341008 ADD EMP:V896888 WHILE RPL L UNDERWING LONGERON, BUILT-UP FUSE SKIN FOUND CRACKED TOMC-APPROVAL FROM SC1ELBYC COMMENT STATION 1035 STR 35L-38L. ALSO FSTN HOLE FOUND OVERSIZED. PER ECRA 5331-02819 C/W INTRM RPR PART 1. INITIATE DIP ACCOMPLISH THE INSPECTIONS PER THE LATEST REV OF ECRA PART 2 ON OR BEFORE THE AC TOTAL FC 26,233. REPEAT INSP AT INTERVALS NOT TO EXCEED 4000 CYC. INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE.