Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
March 27, 2022
Submitted
April 25, 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
Fwd 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

STRINGER 27L CORRODED FWD OF STA. 370 SPLICE / [01] FOUND CORR. ON STRINGER OUT OF LIMITS; CORRODED THRU; REF. B737-7 SRM 53-00-03-1A-1;[02] REMOVED FASTENERS BETWEEN STA 300 TO STA 326 STR 27L FORM AIRCRAFT SHORING ACCESS REF B737-7 SRM 51-40-02-0G-0;[03] VERIFIED STEPS 1 AND 2;[04] REMOVED STRINGER SECTION FROM STA. 294.4 TO STA 370; STRINGER 27L PER REF. 737-700 SRM 51-40-02-0G-0;[05] VERIFIED STEP 4.;[06] PERFORMED DVI INSPECTION OF AREA REMOVED INTERCOSTAL AT STR 27L BETWEEN STA 360-380; NO ADDITIONAL DAMAGES FOUND;[07] LOCATED AND DRILLED NEW STRINGER SECTION FROM STA 294.4 TO STA 370 PER REF 737-700 SRM 51-40-02-0G-0;[08] CORRECTION LOCATED AND DRILLED NEW STRINGER SECTION FROM STA 294.4 TO STA 370 PER REF 737-700 SRM 51-40-05-0G-0;

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