SDR SWAA2020031742541

Service difficulty report · Skin · Boeing 7377H4

Difficulty date: March 15, 2020
Submitted: March 17, 2020
Operation: Air carrier
Aircraft: N224WN
Make and model: Boeing 7377H4
Aircraft serial: 32493
Aircraft time: 50,268 hours, 30,003 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Cracked
Location: Fuselage
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

FUSELAGE SKIN HAS A CRACK INDICATION AT RIVET HOLE (FS 727C + 16") (STRINGER 4L) OF THE LOWER SKIN, LOWER FASTENER ROW REMOVED FASTNER, PERFORMED BOLT HOLE INSPECTION PER 737 NDT MANUAL 51-00-00, PROCEDURE 16, AND 53-30-05. CRACK CONFIRMED .040" LONG. OVERSIZED HOLE AND VERIFIED NO MORE CRACK. INSTALLED OVERSIZED FASTENER BACR15BB705. ALL WORK DONE REF SRM 51-40-02.

More about the Boeing 737-7H4