SDR SWAA2023011984320

Service difficulty report · Threshold · Boeing 7377H4

Difficulty date: December 21, 2022
Submitted: January 19, 2023
Operation: Air carrier
Aircraft: N272WN
Make and model: Boeing 7377H4
Aircraft serial: 32527
Aircraft time: 52,973 hours, 31,748 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Threshold
Condition: Corroded
Location: Fwd Cargo
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

FWD CARGO SUBTHRESHOLD CORRO, BS 459 - 461, RBL 30, WL 156. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-30-15-1A-1. LOCATED, DRILLED, & COUNTERSUNK A NEW FWD CARGO THRESHOLD WEB IAW SRM 51-40-05-0G-0, SRM 51-40-08-0G-0, & DWG 143A8122, REV-. INSTALLED NUTPLATES IAW SRM 51-40-02-0G-0, AND DWG 143A8331, REV A.

More about the Boeing 737-7H4