SDR SWAA2020072001339

Service difficulty report · Skin · Boeing 7377H4

Difficulty date: July 8, 2020
Submitted: July 20, 2020
Operation: Air carrier
Aircraft: N700GS
Make and model: Boeing 7377H4
Aircraft serial: 27835
Aircraft time: 77,221 hours, 47,224 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Cracked
Location: Bs 608
Stage of operation: IN
How discovered: 9
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

0.5 INCH CRACK INDICATION AT CHEM-MILL POCKET AT BS 608 ON STRINGER 4L. INDICATION DETECTED WITH PART 6; 53-30-25 AND VERIFIED WITH PART 6; 53-30-09 AND PART 4; 53-30-07 IAW SA-M 326 A1131762, A1131764, AND A1131768. REPAIRED THE CRACK IN SKIN AT BS 608 STR 4L IAW EA 20-153-01038, STAGE I, AND II.

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