SDR SWAA2021121344293

Service difficulty report · Support · Boeing 73776N

Difficulty date: November 16, 2021
Submitted: December 13, 2021
Operation: Air carrier
Aircraft: N7722B
Make and model: Boeing 73776N
Aircraft serial: 32668
Aircraft time: 49,599 hours, 25,042 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Fuselage
Stage of operation: UK
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

CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT RBL 21 BS 727E-727E+2; BS 727E+5-727E+6; BS 727E+12; BS 727E+14-727E+15; BS 747+2-767. REMOVED CORROSION, FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-2 PARA 4A FIG 103 DETAIL D. MANUFACTURED IAW DWG 146A-3773, DRILLED IAW SRM 51-40-02, INSTALL SIDEWALL SUPPORT WILL BE ACCOMPLISHED ON C.C.TTG8Q004F1L2.

More about the Boeing 737-76N