SDR SWAA2021110539300

Service difficulty report · Skin · Boeing 7377H4

Difficulty date: November 2, 2021
Submitted: November 5, 2021
Operation: Air carrier
Aircraft: N749SW
Make and model: Boeing 7377H4
Aircraft serial: 29801
Aircraft time: 75,776 hours, 44,311 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Cracked
Location: Fuselage
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

FUSELAGE SKIN SUBSURFACE CRACK INDICATIONS AT BS 500D+8 TO 500D+11 ABOVE STR4L USING 737 NDT PART 6;53-30-25. CONFIRMED SUBSURFACE CRACK INDICATION USING OPTION 1&4 OF TTG8Q005VW3 ; FSELAGE SKIN SSRFACE CRACK INDICATIONS AT BS 500D+8 TO 500D+11 AOVE STR4L SING 737 NDT PART 6;53-30-25. CONFIRMED SSRFACE CRACK INDICATION SING OPTION 1 (737 NDT PART 6; 53-30-18) & OPTION 4 (737 NDT PART 4; 53-30-07TR 04-07) OF TTG8Q005VW3 /

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