Service difficulty report · Skin · Boeing 7377H4

Difficulty date
October 25, 2023
Submitted
November 28, 2023
Operation
Air carrier
Aircraft
N968WN
Make and model
Boeing 7377H4
Aircraft serial
36679
Aircraft time
38,429 hours, 23,570 cycles
Part
Skin
Part number
UNKNOWN
Condition
Corroded
Location
Zn 400 Nacelle/P
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 INLET COWL LIP-SKIN INBOARD AREA ON ENGINE 2 2023-661450<[01] TOOL USED: ULTRASONIC THICKNESS GAGE. PN: 45MG; SN: 232019809; DUE DATE: 22-SEP-24;[02] TOOL USED ULTRASONIC THICKNESS GAUGE P/N: 45MG; S/N: 130063701; CAL DUE DATE: 24-JUL-24;[03] REPAIRED INLET COWL LIP-SKIN INBOARD AREA ON ENGINE 2 IAW EA 23-171-03333-WIP1 AND EA 23-171-03333 SEE INDIVIDUAL SIGNOFFS BELOW;[04] REPAIRED INLET COWL LIP-SKIN INBOARD AREA ON ENGINE 2 IAW EA 23-171-03333-WIP1 AND EA 23-171-03333 SEE INDIVIDUAL SIGNOFFS BELOW

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