Service difficulty report · Rib · Boeing 7377H4

Difficulty date
May 15, 2021
Submitted
June 4, 2021
Operation
Air carrier
Aircraft
N220WN
Make and model
Boeing 7377H4
Aircraft serial
32491
Aircraft time
52,961 hours, 31,490 cycles
Part
Rib
Condition
Cracked
Location
Horizontal Stab
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

LH HORIZ STAB RIB AT ST A 120.3 FWD LOWER FLANGE COMMON TO SKIN I/B FASTENER HOLE CRACKED 3RD FROM FWD (MARKED) ; / REMOVED DAMAGED AREA FROM LH HORIZ STAB RIB AT STA 120.3 FWD LOWER FLANGE COMMON TO SKIN I/B FASTENER HOLE PER B737 SRM 51-10-02-0G-0. REPAIRED FLANGE PER EA 21-155-01399-WIP1 REV P1 AND FINAL; VERIFIED STEP 6 C/W IAW EA-21-155-01399 P1 AND FINAL<BR>FINAL AUDIT C/W; FINAL AUDIT C/W

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