SDR SCNA20240429218

Service difficulty report · Stiffener · Boeing 73783N

Difficulty date: March 11, 2024
Submitted: April 29, 2024
Operation: Air carrier
Aircraft: N7907A
Make and model: Boeing 73783N
Aircraft serial: 32577
Aircraft time: 56,582 hours, 40,935 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Part number: UNKNOWN
Condition: Cracked
Location: Bs 540
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

UPPER FUSELAGE MAIN CARGO CABIN FLOOR STRUCTURE AREA AT BODY STATION 540 CENTER FUEL TANK STIFFENERS WITH CRACKS AT ALL POSITIONS. REPLACED SHEAR FITTINGS AT BS 540 CENTER FUEL TANK IAW B737-800 BCF SRM 51-10-02-06-0 PAR 9 AND DWG.111A20000 NEW SHEAR FITTING PN 111A2401 AT LBL.54.60, LBL. 40.87, LBL.32.40, LBL15.04, LBL.6.14 RBL.6.14, RBL.15.04, RBL.32.40, RBL.40.87 AND RBL.54.60

More about the Boeing 737-83N