Service difficulty report · Channel · Boeing 777300ER

Difficulty date
September 25, 2024
Submitted
October 17, 2024
Operation
Air carrier
Aircraft
N2250U
Make and model
Boeing 777300ER
Aircraft serial
66590
Aircraft time
20,767 hours, 2,426 cycles
Part
Channel
Part number
144W13114
Condition
Damaged
Location
Zone
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

REF LOG PAGE 9352088 STR 1R BETWEEN STA.1350 AND 1371 DAMAGED WHILE REMOVING LIGHTENING STRIKE DAMAGE. REMOVED ADF ANTENA DECAL REF IPC 34-57-02-01 AND REMOVED STRINGER FASTENERS REF SRM 53-00-03. ACPD FPI INSP. ON NEW STRINGER REF NTM 20-20-02 P 8..NO CRACKS REPAIR STRINGER 7150-T77511, PO# 3844252330-3, TRIMMED THE REPAIR STRINGER TO .90 INCH RADIUS REF AMM APPLIED ALODINE ON BARE ALUMINUM MATERIAL REF SRM 51-20-01 CORRECTION: TRIMMED THE REPAIR STRINGER EDGES TO .90 INCH RADIUS. 53-00-03-2R-1 FIG. 202 REF AMM 53-00-03-2R-1 FIG. 202 CUT STRINGER 1R AT STA .1350+9" 1/8 REMOVED DAMAGE REF. SRM 53-00-03-2R-1 REMOVED STRINGER CLIP AND DOME NUT PLATE NEAR STA 1350 STR.1R REMOVED UPPR SKIN FASTERERS FOR STR REPAIR AND CUT STR REPAIR ACP HFEC 777 NTM PART 6 51-00-01 PROCDURE 2 AND 3 . ROTARY REF SRM 53-00-03-2R1 PART TO LENGTH. TRIMMING TO FIT REF. SRM 53-00-03-2R-1 SCANNER OF HOLES COMMON TO SKIN AND STRINGER AND STRINGER CUTS GOOD NO CRACKS OR DEFECTS. FOUND REPAIR STRINGER NOT MFG PER SRM. 53-00-03-2R-1. TRANSFERED FASTENER HOLES TO NEW REPAIR "Z" ANGLE, LAYING OUT REPAIR FASTENERS ONTO REPAIR ANGLE REF.SRM 53-00-03-2R-1 REPAIR 1 FIG.205. TRIMMED OUT ORIGINAL STRINGER FWD AND AFT BY ONE FASTENER, ACPD FPI INSP. ON NEW STRINGER REF NTM 20-20-02 P 8..NO CRACKS ALSO VERIFIED REPAIR STRINGER 7150-T77511, PO# 3844252330-3 REMOVED 2 EACH ADDITIONAL FASTENERS FWD TO MEET THE MINIMUM LEAVING 2D SPACING IN REF TO A

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