Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
January 3, 2025
Submitted
February 3, 2025
Operation
Air carrier
Aircraft
N213WN
Make and model
Boeing 7377H4
Aircraft serial
34217
Aircraft time
65,115 hours, 39,070 cycles
Part
Fitting
Condition
Cracked
Location
Zone 100
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 INDICATION FOUND IN LOWER BOLT HOLE LOCATED ON BS 727 FRAME INNER CHORD AREA AT STR-18 LH SIDE; CRACK DIRECTION: 7 OCLOCK. 2024-773937<[01] TOOL USED: ET EQUIPMENT; P/N: NORTEC 600D; S/N: 210138203; DUE DATE: 09-SEP-25.;[02] REPLACED FITTING LOC ON BS 727 INNER CHORD LOWER POSITION AREA AT STRINGER 18A LEFT SIDE I.A.W. SRM 51-40-02-0G-0 DRAWING 146A0062 SHEET 21 REV: -; DRAWING 146A0062 SHEET 38 REV:N AND 25-153-00125 ; 25-153-00125-WIP1. SEE INDIVIDUAL SIGN OFF BELOW.;[03] CORRECTED STEP 2. REPLACED FITTING LOC ON BS 727 INNER CHORD LOWER POSITION AREA AT STRINGER 18A LEFT SIDE I.A.W. SRM 51-40-02-0G-0 DRAWING 146A0062 SHEET 21 REV: -; DRAWING 146A0062 SHEET 38 REV:N AND EA 25-153-00125 ; EA 25-153-00125-WIP1. SEE INDIVIDUAL SIGN OFF BELOW.;[04] CORRECTED STEP 3. REPLACED FITTING LOC ON BS 727 INNER CHORD LOWER POSITION AREA AT STRINGER 18A LEFT SIDE I.A.W. SRM 51-40-02-0G-0 DRAWING 146A0062 SHEET 21 REV: -; DRAWING 146A0062 SHEET 38 REV:N AND EA 25-153-00102 ; EA 25-153-00102-WIP1. SEE INDIVIDUAL SIGN OFF BELOW.;[05] CERTIFIED RII WORK PERFORMED. SEE INDIVIDUAL SIGN OFF BELOW.

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