Service difficulty report · Fastener · Boeing 7377H4

Difficulty date
September 28, 2025
Submitted
November 3, 2025
Operation
Air carrier
Aircraft
N907WN
Make and model
Boeing 7377H4
Aircraft serial
36619
Aircraft time
57,081 hours, 33,302 cycles
Part
Fastener
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
V
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

EVIDENCE OF CRACK ON FASTENER ITEM A IDENTIFIED ON FIGURE 1 MT 5340-I-1520-NG COMMON TO BS 727B LBL 24.75. REFER TO FAULT TTG8Q015EFW5 WHERE 25-153-02708 WAS ADDED AS A SUBTASK.

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