Service difficulty report · Rib · Boeing 7377BD

Difficulty date
September 19, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N7751A
Make and model
Boeing 7377BD
Aircraft serial
36717
Aircraft time
49,352 hours, 25,598 cycles
Part
Rib
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
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 INSPAR RIB STAB STA 120.30 UPPER CHORD INBOARD SIDE AT FRONT SPAR 2023-575417<[01] TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 500D; S/N: N500X12101V022237; DUE DATE: 26-JAN-24;[02] TOOLS USED: TEMPERATURE CONTROLLER: P/N P3015GOES00000; S/N 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER: P/N P3015GOES00000; S/N 142811019; DUE DATE:25-JAN-24;[03] REPAIRED CRACK INSPAR RIB STAB STA 120.30 UPPER CHORD INBOARD SIDE AT FRONT SPAR IAW EA 23-155-02927-WIP1 [TTG8Q00NNKQV] AND EA 23-155-02927 [TTG8Q00NSBX1]<BR>SEE INDIVIDUAL SIGNOFFS BELOW;[04] TOOL USED: RADIOMETER PHOTOMETER P/N: XRP-3000; S/N: 1753759; CAL DUE DATE: 14-OCT-23;[05] CORRECTED STEP 3<BR>REPAIRED INSPAR RIB STAB STA 120.30 UPPER CHORD INBOARD SIDE AT FRONT SPAR IAW EA 23-155-02927-WIP1 [TTG8Q00NNKQV] AND EA 23-155-02927 [TTG8Q00NSBX1]<BR>SEE INDIVIDUAL SIGNOFFS BELOW;[06] TASK CARD COMPLETED <BR>REPAIRED INSPAR RIB STAB STA 120.30 UPPER CHORD INBOARD SIDE AT FRONT SPAR IAW EA 23-155-02927-WIP1 [TTG8Q00NNKQV] AND EA 23-155-02927 [TTG8Q00NSBX1] <BR>SEE INDIVIDUAL SIGNOFFS BELOW<BR>RII

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