Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
March 22, 2022
Submitted
April 20, 2022
Operation
Air carrier
Aircraft
N762SW
Make and model
Boeing 7377H4
Aircraft serial
27876
Aircraft time
75,107 hours, 44,385 cycles
Part
Stringer
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

FOUND STR27L WITH EXFOLIATING CORROSION BETWEEN STA.360 & STA.380 STRINGER 27L FROM STA 370 SPLICE TO AFT / [01] REMOVED FASTENERS AND EXISTING STRINGER SPLICE AT FUSELAGE SKIN S-27L BETWEEN STA 351.2 AND STA 380 REF B7373-700 SRM 51-40-02-0G-0.;[24] INSTALLED STRINGER 27 L SPLICE REPAIR AT STA 410 PER REF 737-700 SRM 53-00-03-2R-1 REPAIR 1;[25] VERIFIED STEP 24.;[26] CUT-OUT DAMAGE SECTION OF STRINGER 27L FROM SPLICE AT STA 370 TO STA 410;INSTALLED NEW SECTION AND SPLICE REPAIR REF USED B737-7 SRM 53-00-03-2R-1 FIG 205 DETAIL A-A;51-40-02-0G-0 AND DWG#143A3230;[27] CLEAN AND CIC APPLICATIONS WILL BY ACCOMPLISHED 0N CARD#TTG8Q00BVL99 AND PAINT CARD#TTG8Q00BVU6A;[28] VERIFIED STEPS 26 AND 27;[29] COMPLIED WORK PERFORMED AND REINSTALL AREAS OPEN

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