SDR SWAA2021101220676

Service difficulty report · None · Boeing 737752

Difficulty date: September 18, 2021
Submitted: October 12, 2021
Operation: Air carrier
Aircraft: N7843A
Make and model: Boeing 737752
Aircraft serial: 35786
Aircraft time: 47,875 hours, 24,909 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: None
Condition: Corroded
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

CORROSION ON SUBTHRESHOLD WEB, AFT CARGO BAY BS 795 - 847, RBL 26, WL 160. REMOVED CORROSION &FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1 ALLOWABLE DAMAGE 1 PARAG.4.G.(2) DETAIL G FIG.103. REMOVED SUBTHRESHOLD WEB IAW SRM 51-40-02. LOCATED &DRILLED THE NEW SUBTHRESHOLD WEB IAW SRM 51-40-05, &DWG 146A8123. INSTALLED THE SUBTHRESHOLD WEB IAW SRM 51-40-02, AND DWG146A8340.