Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
May 7, 2026
Submitted
June 4, 2026
Operation
Air carrier
Aircraft
N253WN
Make and model
Boeing 7377H4
Aircraft serial
32511
Aircraft time
64,393 hours, 38,756 cycles
Part
Stringer
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 STRINGER 27L LOCATED STA 540 WL 150.2 FWD CARGO COMPARTMENT. REPLACED REPAIR PARTS [7] STRINGER SECTION; [2] CHANNEL; [3] ANGLES (2EA) AND SHIM LOC. STRINGER 27L BTW BS 500D TO BS 540 FWD CARGO COMPARTMENT IAW SRM 53-00-03-2R-1 REPAIR 1; PARAGRAPH 4.K AND DWG 143A3230 SHEET 121 REV A.

More about the Boeing 737-7H4