Service difficulty report · Structure · Boeing 7377H4

Difficulty date
May 29, 2021
Submitted
July 1, 2021
Operation
Air carrier
Aircraft
N942WN
Make and model
Boeing 7377H4
Aircraft serial
36648
Aircraft time
39,538 hours, 23,971 cycles
Part
Structure
Condition
Corroded
Location
Bs 951-992 S17r
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

CORROSION INNER CHORD LOCATED BETWEEN BS 951 AND BS 992.8 AT LEVEL STR 17R AND WL 208 AT AFT GALLEY AREA ; 2021-255306 / [01] TOOL USED:DIGITAL CALIPER:P/N:500-197-30;S/N:A18135091;DUE DATE:28/JUN/21; [02] TOOL USED: P/N: 35DL; S/N: 081296503; DUE DATE: 06-OCT-21; [03] REPLACED INNER CHORD LOC. BTW BS951 AND BS992.8 AT LEVEL STR17R AND WL 208 AT AFT GALLEY AREA I.A.W B737-700 SRM 51-40-02 AND SRM 51-10-02 STEP 9 AND DWG:147A8501 REV:A; [04] REPLACED INNER CHORD LOC. BTW BS951 AND BS992.8 AT LEVEL STR17R AND WL 208 AT AFT GALLEY AREA I.A.W B737-700 SRM 51-40-02 AND SRM 51-10-02 STEP 9 AND DWG:147A8501 REV:A RII ITEM

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