Service difficulty report · Stringer · Boeing 777222

Difficulty date
September 26, 2025
Submitted
October 6, 2025
Operation
Air carrier
Aircraft
N222UA
Make and model
Boeing 777222
Aircraft serial
30553
Aircraft time
90,539 hours, 11,994 cycles
Part
Stringer
Part number
00637075T6
Condition
Dented
Location
Zone 100
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

REF. LOG PAGE # 6361899 STRINGER 49R IS DAMAGED BETWEEN STA. 1958 AND STA. 1979CUT OUT DAMAGED SECTION OF STRINGER REF. SRM 53-70-03-2R-1 REPAIR 1 PARAGRAGH 4.C. REQUEST ON INSPECTOR PERFORM HFEC INSPECTION OF CUT EDGES AND ALL INITAL FASTENER HOLES IN REPAIR AREA OF STRINGER PER PARAGRAGH 4. D. AND E. P ERFORMED HFEC INSP OF STRINGER EDGE CUTS AND ALL RELATED FASTENERS HOLES AS REQUIRED PER SRM 53-70-03-2R-1 REAPAIR 1 PARA 4.D. AND E WITH NO RELEVANT INDICATIONS. REF 777NDTM PT 6-51-00-01 PR 2 AND PT 6-51-00-02 PR 3. VERIFIED MATERIAL FOR STRINGER REPAIR PART 1 AND 2 FABRICATE FROM .071 7075-0 BARE SHEET ( PO# 7334192345 ) REF. SRM 53-70-03-2R-1 REPAIR 1 FIG.202. VERIFIED STRINGER REPAIR MATERIAL FOR PART 1 AND 2 AS .071 REF. SRM 53-70-03-2R-1 REPAIR 1 FIG.202. VERIFIED MATERIAL OF REPLACEMENT SECTION OF STRINGER FABRICATE FROM .056 7075-0 BARE SHEET REF. SRM 53-70-03-2R-1 REPAIR 1 FIG.202. VERRIFIED "FILLER MATERIAL" PO # 3978832 7075-0-056 BARE VERIFIED -4 FILLER 0.056" 7075-O BARE HAS BEEN HEAT TREATED TO 7075-T6 AND -1 & -2 REPAIR J SECTIONS 0.071" HAVE HEAT TREATED REF. SRM 53-70-03-2R-1 REPAIR 1.