Service difficulty report · Structure · Boeing 7377H4

Difficulty date
August 18, 2023
Submitted
September 25, 2023
Operation
Air carrier
Aircraft
N227WN
Make and model
Boeing 7377H4
Aircraft serial
34450
Aircraft time
59,279 hours, 35,528 cycles
Part
Structure
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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 ON INNER CHORD LOCATED BTW BS 312 TO BS 344 AT LEVEL STR 17R WL 208.1 RBL 59 AT FWD GALLEY AREA 2023-530683<[01] REPLACED INNER CHORD LOCATED BETWEEN BS259.50 TO BS360 RBL59 WL208.1 AT FWD GALLEY AREA. I.A.W SRM B737-700 51-40-02 AND DRAWING #140A9810 REV ?.SEE INDIVIDUAL SIGN OFFS BELOW;[02] REPLACED INNER CHORD LOCATED BETWEEN BS259.50 TO BS360 RBL59 WL208.1 AT FWD GALLEY AREA. I.A.W SRM B737-700 51-40-02 AND DRAWING #140A9810 REV ?.SEE INDIVIDUAL SIGN OFFS BELOW<BR>RII

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