Service difficulty report · Inlet · Boeing 7377H4

Difficulty date
August 23, 2023
Submitted
September 7, 2023
Operation
Air carrier
Aircraft
N225WN
Make and model
Boeing 7377H4
Aircraft serial
34333
Aircraft time
59,226 hours, 35,397 cycles
Part
Inlet
Part number
UNKNOWN
Condition
Cracked
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

CRACK ON HOLE OF LIP INLET COWL LOC. 1 OCLOCK LT ENGINE 2023-490779<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[02] TOOL USED: MICROMETER P/N: 293-344-30; S/N: 71735394; DUE DATE: 23-NOV-23 AND SMALL HOLE GAUGES P/N: 154-901; S/N: AE-411355; DUE DATE: 27-JAN-24;[03] TOOL USED MICROMETER PN: 500-196-30 ; SN: A21126170 DUE DATE 09-NOV-23;[04] TOOL USED MICROMETER PN: 293-344-30 SN: 71735394 DUE DATE 23-NOV-23;[05] REPAIRED HOLE ON INLET COWL LOC 1 O CLOCK LT ENGINE I.A.W EA 23-171-02672-WIP1 AND EA SUMMARY 23-171-02672.SEE INDIVIDUAL STEP SIGN OFS BELOW;[06] CORRECTED STEP #5 REPAIRED HOLE ON INLET COWL LOC 1 O CLOCK LT ENGINE I.A.W EA 23-171-02672-WIP1 AND EA SUMMARY 23-171-02672.SEE INDIVIDUAL SIGN OF BELOW;[07] CORRECTED STEP 5 <BR>REPAIRED HOLE ON INLET COWL LOC 1 O CLOCK LT ENGINE I.A.W EA 23-171-02672-WIP1 AND EA SUMMARY 23-171-02672.SEE INDIVIDUAL SIGN OF BELOW

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