Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
January 13, 2024
Submitted
February 15, 2024
Operation
Air carrier
Aircraft
N8316H
Make and model
Boeing 7378H4
Aircraft serial
36684
Aircraft time
37,868 hours, 17,710 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200
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 INTERCOSTAL LOCATED BS 947.5 TO BS 967 AND LBL 22 WL 208.1 AT AFT GALLEY AREA 2024-48763<[01] TOOL USED: ULTRASONIC EQUIPMENT P/N: 45MG; S/N: 130063701; DUE DATE: 24-JUL-24;[02] TOOL USED: ULTRASONIC THICKNESS GAGE. P/N: 45MG. S/N: 232017609. DUE DATE: 22-SEP-24.;[03] REPLACED INTERCOSTAL LOCATED ON BTW BS947.5 TO BS967 AND LBL22 WL208.1 AT AFT GALLEY AREA I.A.W. B737-800 SRM 51-40-02 AND DWG 147A5650 SHEET 55 REV. A <BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW;[04] REPLACED INTERCOSTAL LOCATED ON BTW BS947.5 TO BS967 AND LBL22 WL208.1 AT AFT GALLEY AREA I.A.W. B737-800 SRM 51-40-02 AND DWG 147A5650 SHEET 55 REV. A <BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW

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