Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
October 26, 2023
Submitted
November 21, 2023
Operation
Air carrier
Aircraft
N914WN
Make and model
Boeing 7377H4
Aircraft serial
36622
Aircraft time
51,132 hours, 31,028 cycles
Part
Stringer
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

FASTENER HOLE # 7 FROM AFT TO FWD ON STR 16-L FOUND CRACKED BETWEEN STA 294.5 AND 303.9<[01] REMOVED AND REPLACED DAMAGE STRINGER AT STR 16L STA 294.5-303.9 REF SRM 53-00-03-2R-1 FIGURE 205 TABLE 201 AND TABLE 202 AND DWG # 141A3120. EA # 21-153-03254-WIP1/8985298;[02] (RII) VERIFIED STEP 1;[03] 'THE DAMAGE WAS REPAIRED PER 737-700 SRM 53-00-03-2R-1 REPAIR 1 AND EA 23-153-03254.';[04] VERIFIED STEP 3

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