Service difficulty report · Structure · Boeing 7377H4

Difficulty date
October 8, 2020
Submitted
November 10, 2020
Operation
Air carrier
Aircraft
N931WN
Make and model
Boeing 7377H4
Aircraft serial
36637
Aircraft time
39,335 hours, 23,819 cycles
Part
Structure
Part number
147A8501
Condition
Corroded
Location
Aft Galley
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 INNER CHORD BETWEEN BS 951 TO BS 992.8 AT LEVEL STR 17R AND RBBL 64 AT AFT GALLEY AREA AND WL 208.1. REPLACED INNER CHORD BETWEEN BS 893.7 TO BS 1006 AT LEVEL S17R RBL 64 AT AFT GALLEY AREA, IAW B737-700 SRM 51-40-02 AND DRG 147A8501 REV A AND WL 208.1.

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