Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
March 27, 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

STRINGER 25L SPLICE AT STA. 370 CORRODED / [01] REMOVED CORROSION ON STR25L SPLICE STA. 370; REF. B737-7 SRM 51-10-02-0G-0;[02] ORIGINAL MATERIAL 0.045'; MATERIAL REMOVED 0.018'; MATERIAL REMAINING 0.027' FOUND OUT OF LIMITS REF. B737-7 SRM 53-00-03-1A-1;[03] LOCATED AND DRILLED NEW SPLICE; AT STRINGER 27L ; BETWEEN STA. 360 AND STA. 380; PER REF 737 -700 SRM 51-40-05-0G-0;[04] STRINGER SPLICE BETWEEN STA. 360 AND STA. 380; AT STRINGER 25L WAS REMOVED ON CUSTOMER BAR CODE TTG8QOOBFG5E;[05] CORRECTION STRINGER SPLICE BETWEEN STA. 360 AND STA. 380; AT STRINGER 25L WAS REMOVED ON CUSTOMER BAR CODE TTG8Q00BFG5E;[06] VERIFIED STEPS 1; 2; 3; 4 AND 5. OK TO TREAT AND PRIME SPLICE AND AIRCRAFT SKIN.;[07] LATE ENTRY: RECEIVED NEW STRINGER SPLACE ISSUE TAG#WN14497 PO#1758680;[08] TREATED AND PRIME STRINGER SECTION;SPLACE AND AIRCRAFT SKIN HOLES REF B737-7 SRM 51-20-01-0G-0;[09] THIS SPLICE WILL BY INSTALLED ON CARD #TTG8Q00BFG5E;[10] VERIFIED STEPS 7;8 AND 9.

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